Flutter For In Loop Explained

Reentry around an anatomical obstacle has been named anatomic reentry as compared to functional reentry. Cox et al. who developed the surgical treatment for atrial fibrillation observed that chronic atrial enlargement causes atrial fibrillation. The concept of the "two holes macro-reentry" including the left atrial appendage and the pulmonary vein orifice led to the idea of creating lesions to interrupt these anatomical reentry circuits. Lower loop reentry around inferior vena cava is a variation of typical atrial flutter and upper loop reentry around superior vena cava. Other examples of anatomic reentry include scar-related VT and BBRVT. Left atrial macro-reentry circuits have also been described.

Peri-mitral atrial tachycardias develop following pulmonary vein isolation or mitral valve surgery. There have also been reports of reentrant atrial tachycardia not involving the AV node. Adenosine-sensitive atrial tachycardia has variable locations and can shift to another site after ablation. In a case reported by Inagaki mapping identified the critical slow conduction zone close to the mitral annulus. Identifying parts of the reentry circuit is essential for successful ablation maneuvers to terminate the arrhythmia.The right atrium possesses the anatomical structures that form the atrial flutter circuit.

The cavotricuspid isthmus is the narrow point between the inferior vena cava and the tricuspid annulus where typical atrial flutter can undergo ablation successfully. The terminal crest has anisotropic property and forms a functional line of a block to conduction in the right atrium. Since its first description more than a century ago, our understanding of cavotricuspid isthmus -dependent atrial flutter has significantly improved, using recent advanced ultrahigh-resolution mapping systems. A close follow-up of the patient will be suggested to detect the occurrence of atrial fibrillation . Different mechanisms of arrhythmogenesis may be responsible for initiating and sustaining atrial fibrillation.

Accepting the multiple wavelet theory as the sustaining force, Haissaguerre described ectopic foci at the point where the pulmonary veins insert into the left atrium for initiation of atrial fibrillation. This allowed for targeted radiofrequency ablation.Pulmonary vein ectopic foci show high dominant frequency giving origin to fractionated rotors. In some patients, both atrial fibrillation and atrial flutter can occur.

This clinical interrelationship may reflect an underlying common pathophysiology such as atrial fibrillation can cause a functional line of block that creates a macro-reentrant circuit and atrial flutter. On the other side atrial flutter, due to short cycle length may result in atrial fibrillation. Figure 8 Endoepicardial connection in the presence of an endocardial cavotricuspid isthmus line of block.

These technological improvements have also facilitated curative treatment with radiofrequency catheter ablation while simultaneously creating some terminological and conceptual confusion about its nature. 22 The circuit is localized in the lower right atrium, but is also CTI dependent. The circuit involves the lower right atrium, as manifested by an early breakthrough in the lower right atrium, wavefront collision in the high lateral right atrium or septum and conduction through the CTI. Alternating lower loop reentry and typical AFL or variable breakthrough sites in the lateral right atrium may result in cycle length oscillation. Of note, the left atrium and the septum are activated in a similar sequence to CCW typical AFL, giving negative atrial complexes in the inferior leads. The morphology of the flutter wave is determined by the site of the breakthrough of the wavefront at the crista terminalis.

Then, the late positive deflection seen on the flutter wave in the inferior leads during CCW typical AFL will be attenuated during lower loop reentry circuit, by abolition of these late inferiorly directed forces. The ECG shows regular flutter waves (F-waves; not to be confused with f-waves seen in atrial fibrillation) which gives the baseline a saw-tooth appearance. Atrial flutter is the only diagnosis causing this baseline appearance, which is why it must be recognized on the ECG. The flutter waves (on the contrary to f-waves in atrial fibrillation) have identical morphology .

Flutter waves are typically best seen in leads II, III aVF, V1, V2 and V3. The exact appearance of the flutter waves will depend on the location and direction of the re-entry circuit. In the most common type of atrial flutter, the re-entry loops around the tricuspid valve in a counter-clockwise direction. This yields negative flutter waves in II, III and aVF and positive flutter waves in V1 . If the re-entry has a clockwise direction, the flutter waves are positive in lead II, III, aVF and the P-waves typically have a notch on the apex.

Please note that for most clinicians it is not necessary to be able to determine the direction of the re-entry loop. Atrial flutter classically refers to the ECG pattern of an undulating wave with no electrical silence in at least one lead of the surface ECG. If the other flutter pattern may also suggest a reentrant circuit, this is indeed not specific as it may result from variable mechanisms in variable localizations . It is thus fair to say that after its long history, atrial flutter is now, by far, more than just one of a kind. Since its first description about one century ago, our understanding of atrial flutter circuits has considerably evolved. One AFL circuit can have variable electrocardiographic manifestations depending on the presence of pre-existing atrial lesions, or impaired atrial substrate.

Conversely, different atrial circuits including different mechanisms can present with a very similar surface ECG manifestation. The development of efficient high-resolution electroanatomical mapping systems has improved our knowledge about AFL mechanisms, as well as facilitated their curative treatment with radiofrequency catheter ablation. This article will review ECG features for typical and atypical flutters, and emphasize the limitations for circuit location from the surface ECG. Differentiating the mechanisms arrhythmogenesis may be difficult.

When equal PPI-TCL values are obtained for widespread points, a large macro-reentrant circuit should be suspected. Then a reentry circuit spanning left and right atrium via Bachmann bundle and Marshall ligament is possible. The bundle branch reentry ventricular tachycardia runs via a macro-reentry circuit including the His bundle and the fascicular branches. It is common in dilatative cardiomyopathy with reduced left ventricular ejection fraction. The right bundle branch is more vulnerable to unidirectional block due to a long refractory period and slow retrograde conduction via the left bundle branch. The connection between the two bundle branches forms by bridges spanning the ventricular septum.

The surface electrocardiogram will show a left bundle branch block pattern. The contrariwise BBRVT showing right bundle branch block pattern on ECG is rare. These authors also noted that septal scar was an important requisite for biatrial tachycardia together with the presence of two interatrial connections to allow for circus movement tachycardia. In the present case, the surgical scar along the septum with enlarged atria likely predisposed the patient to biatrial tachycardia.

In a normal functioning heart, electrical impulses are sent out from the sinus node in the right atrium. This node controls the heart rate and timing of heartbeats. The electrical impulses travel through the heart muscle in the atria. In atrial flutter, an abnormal electrical circuit forms in the atria. This causes abnormally frequent contractions in the upper chambers. It may cause the lower chambers of the heart to beat fast too, but often not as fast as the atria.

This often happens after some types of heart surgery, heart muscle damage, or other heart changes. Lower loop reentry atrial flutter uses a circuit that includes the CTI, as common atrial flutter, but it shortens the circuit through a gap in the crista terminalis. The mean cycle length is usually from 170 to 250 ms. Positive forces in inferior leads and V1 will be underpowered as a consequence of the change in the typical up-down depolarisation of the lateral wall. Upper loop reentry was also described using a circuit through a gap in the crista terminalis and then in the posterior right atrium wall. The electrocardiogram pattern mimics a clockwise typical flutter but the cycle length is usually shorter, as in lower loop reentry. The observant will notice that the classification differs slightly from that of atrial fibrillation.

Acute and paroxysmal cases are common in clinical practice. Thus, as compared with atrial fibrillation, atrial flutter is not capable of persisting for longer periods of time. This is due to the fact that atrial flutter is caused by a macro re-entry circuit (a large re-entry circuit) and re-entry circuits are vulnerable processes that usually self-terminate within minutes, hours or days. In the vast majority of cases, the re-entry circuit in atrial flutter is located in the right atrium and it typically loops around the tricuspid valve.

Impulses spread rapidly through the atria from this re-entry circuit. 34–36 Careful confirmation of CTI dependency of the circuit is always the first step of the procedure, using entrainment-guided-mapping techniques. In these cases, confirmation of CTI-dependency is mandatory, although it may sometimes be difficult or even misleading.

Typical counterclockwise atrial flutter, and anatomical correspondence of the flutter wave to the electrocardiographic morphology. The flutter waves are best seen during carotid sinus massage . CS, coronary sinus; IVC, inferior vena cava; SVC, superior vena cava. The excitable gap is the part of the reentry circuit between the tail of refractoriness and the next orthodromic excitation wave.

An external stimulus can enter the reentry circuit at the excitable gap. Through entrainment Waldo et al. differentiate between atrial flutter type I and II. Atrial flutter type I can be transiently entrained and interrupted by rapid atrial pacing since it is caused by reentry and has an excitable gap. Type I atrial flutter can show concealed entrainment with a zone of slow conduction.

In contrast, type II atrial flutter has not been entrained, and the mechanism remains speculative. A reentry arrhythmia is a self-sustaining cardiac rhythm abnormality in which the action potential propagates in a manner analogous to a closed-loop circuit. It is a disorder of impulse conduction and is discrete from disorders of impulse generation such as automaticity or triggered activity.

This activity reviews the presentation, evaluation, and management of reentry arrhythmias and stresses the role of an interprofessional team approach to the care of affected patients. Single-loop biatrial tachycardia around the mitral and tricuspid valves is a rare form of macro-reentrant tachycardia involving both the RA and LA that can be diagnosed by entrainment as well as activation mapping. A septal scar with the presence of two interatrial connections is required for the tachycardia to occur and ablation at the RA isthmus usually is successful in eliminating this tachycardia. In this case, termination did not occur with CTI ablation but, instead, changed to a second atrial flutter requiring a second ablation line for termination, which also eliminated RA to CS activation of the LA. The addListener() function calls setState(), so every time the Animation generates a new number, the current frame is marked dirty, which forcesbuild() to be called again.

In build(), the container changes size because its height and width now use animation.value instead of a hardcoded value. Dispose of the controller when the State object is discarded to prevent memory leaks. It is difficult to describe the F waves as positive or negative in the frontal plane, but the negative bifidity in V1 is highly suggestive of typical clockwise right atrial rotation. Mapping allows for identification of reentry circuit elements such as entry, exit, conduction barriers, bystanders, inner and outer loop, isthmus site, and zone of slow conduction . Stevenson et al. proposed a mapping site classification to guide ablation.

Radiofrequency ablation success correlated with different locations in the reentry circuit. Successful ablation targets include zones of slow conduction and exit sites. Ablation at the CTI of the single-loop biatrial flutter around the tricuspid and mitral valves would normally be expected to terminate the arrhythmia.

However, in our case, the atrial flutter changed and slowed, ultimately finding another way to reach the PCS via a posterior RA channel. Ultimately, by mapping and ablating the second RA posterior channel, the tachycardia was terminated to the sinus. This, however, also limited sinus activation to the LA via BB as evidenced by the activation of the DCS being earlier than that of the PCS. 48 Most had structural heart disease with biatrial dilation, some had been operated but none had previous right atriotomy . The surface ECG was judged identical to that of typical flutter in all but for two patients in whom polarity was positive in the inferior leads during ongoing flutter. A large lateral right atrial circuit was observed for which the participation of the crista terminalis was excluded.

Ablation was successful after creation of a line between the inferior part of the circuit and the inferior vena cava. Narayan et al. reported that atrial fibrillation due to rotor activity underwent successful ablation by targeting the center of the spiral wave. This concept is called focal impulse and rotor modulation ablation .FIRM-guided RFA is used in addition to PVI ablation and atrial tachycardia/atrial flutter ablation.

Reports of the long-term success of PVI are 50 to 60% in paroxysmal AF and less in persistent and permanent AF. Consistent with the findings of the CONFIRM trial Tomassoni et al. reported promising long-term success for FIRM-guided ablation for atrial fibrillation in addition to conventional ablation. Pericaval intra-atrial reentry tachycardia is specific to Fontan surgery with longer cycle lengths and zones of slow conduction compared to periannular IART. Both, pericaval und periannular IART are amenable to ablation.Ventricular tachycardia following repair of congenital heart disease can be traced to anatomic isthmuses and thus be successfully ablated.

Reentry describes a self-sustaining cardiac rhythm abnormality. In reentry, the action potential propagates in a circus-like closed loop manner. It is a disorder of impulse conduction and thus describes one kind of arrhythmogenesis and is differentiated from disorders of impulse generation such as automaticity and triggered activity. The pathophysiologic importance of reentry and utility as a treatment target in atrial fibrillation is part of ongoing research.

A 56-year-old man with diabetes, hypertension, and coronary disease presented with severe mitral regurgitation and underwent mitral valve replacement with coronary artery bypass grafting in April 2019. The surgeon initially performed a vertical incision in the left atrium between the right pulmonary veins and the interatrial septum in the interatrial groove (Waterston's groove). However, because of poor visualization, another horizontal incision was made in the posterior RA and included the atrial septum . Thereafter, mitral valve replacement was performed through this larger incision involving the RA, septum, and LA.

Postoperatively, the patient developed atrial fibrillation and was placed on amiodarone for several weeks and then taken off the medication. Several months later, he developed an atrial flutter as shown in Figure 2. The ECG showed a slow atrial flutter with morphology consistent with that of a typical atrial flutter.

The middle three blocks in the diagram are all created in thebuild() method in GrowTransition, shown below. The GrowTransition widget itself is stateless and holds the set of final variables necessary to define the transition animation. The build() function creates and returns the AnimatedBuilder, which takes the method and theLogoWidget object as parameters. The work of rendering the transition actually happens in the method, which creates a Container of the appropriate size to force the LogoWidget to shrink to fit. In this article we will learn about some of the frequently asked Dart programming questions in technical like "Flutter For In loop explained" Code Answer's. When creating scripts and web applications, error handling is an important part.

If your code lacks error checking code, your program may look very unprofessional and you may be open to security risks. An error message with filename, line number and a message describing the error is sent to the browser. This tutorial contains some of the most common error checking methods in Dart. Below are some solution about "Flutter For In loop explained" Code Answer's. Typical atrial flutter originates in a well-known circuit around the tricuspid annulus limited by anatomical barriers such as both the superior and inferior cava veins, the coronary sinus and crista terminalis.

Night Clubs Open Till 4Am Near Me

If you're looking for a full service lunch and dinner menu with a side of country line dancing then Renegade's off of Village Boulevard in West Palm Beach if your place. The country western bar has great prices on burgers, steaks, and wraps as well as a 3-for-1 happy hour special. If you're a little shy on the dance floor, check out 1 of the 4 nights a week that the lessons are given before the party gets started at 9 PM. Ladies drink free every Tuesday and Thursday from 9 PM- 12 AM and ride the bull for free Tuesday and Friday nights. Located inside the Westin Hotel, Story Club and Lounge has made its way to every partygoer's list of must-visit nightclubs in Gurgaon. With its amazing rooftop ambiance, live music, pulsating dance floor, a wide range of spirits, classy lightings, and plush interiors, this club offers you a slice of the city's nightlife.

The club is open till early hours in the morning, so you can dance and party all night. Want to chillax with your friends over a glass of finely brewed beer and great food as DJs spin some foot-tapping music? Then don't forget to include Brewer Street in your list of pubs and nightclubs to visit in Gurgaon. The exquisite décor of the place featuring wood and tile and cozy indoor and outdoor sitting areas add to your experience while their drinks and food are no less tantalizing. This lounge located inside ILD Trade Center Mall will fill your nights with energy.

At the Beaches Town Center visitors will find an eclectic mix of venues, from upscale martini lounges to neighborhood bars. There's always live music, either in the main courtyard or at Ragtime or the Flying Iguana, which has a selection of 100-plus tequilas. Check out Island Girl Wine & Cigar Bar or Poe's Tavern, a gastropub with more than 50 beer options. Cruise down A1A to find many additional bars and restaurants with live music and drink specials throughout the beach communities. Not far from Off the Hookah isRoxy's Rooftop Bar, a must-see on Clematis.

The open-air dance floor coupled with the lounge areas and views of the city are unrivaled in West Palm. The music here is mostly electronica and house but some nights you can get lucky with throw back 90's hip hop music. Sunday nights are worth checking out, if you've survived the weekend, because the live bands on the rooftop provide a show you don't want to miss. The clubs in West Palm make it possible to go out like a VIP and have a great night. For more than ten years now – even before Clematis Street got its new lease on life – Respectable has been a mainstay in the area.

The combination dance club / live music venue is a haven for the alternative crowd and those looking for something a bit out of the ordinary. Most nights, DJs play a variety of electronic and industrial music for patrons to jam to on the dance floor. At other times, you'll find performances by local and national bands who have a unique sound and are more hardcore than typical music fans appreciate. Along with good drink specials, other attractions include ska, punk, and rock performers, plus whatever's uncategorizable and intriguing. LasVegasNightclubs.com has become a popularly referenced independent resource for information on Las Vegas nightlife.

Clubs Open Until 4Am Near Me In order to protect the integrity of our content, LasVegasNightclubs.com has a strict policy against allowing editorial favor to be purchased. While unorthodox for most websites, especially travel, this method has proven to be a win - win situation both for site visitors and advertisers alike. When the clock hits 2am in Chicago, your night on the town doesn't have to end.

While most bars in the city have to close up shop two hours after midnight, a few local watering holes are able to stay open until 4am each night (and until 5am on Saturdays!). Have a cup of coffee and peruse our list of the best Chicago bars that stay open until 4am or later. What's more, it is located inside the Global Foyer Mall, so you can combine your weekend shopping and late night partying in one shot. Monarchy Nightclub on Clematis Street in Downtown West Palm Beach has a large dance floor sandwiched in between two bars. With different DJ's mixing dance house and electronic music until 4 AM, the party here endures while the rest of the street empties out.

There are weekly specials going on here, so it's always worth checking out their social media pages to see when the best event is that week. Kettle One Vodka hosts a lot of the events, pushing their bottles on customers. Don't worry though, if you are not a high-roller, $3 beers are available.

Rumbass is a Latin dance club located at the corner of Southern Boulevard and Military Trail in West Palm Beach. The club is open on Friday and Saturday nights from 10 PM until about 5 AM. The DJs keep the music nice and loud to keep everyone dancing the night away. There are two bars, tables on the outskirts of the dance floor and bottle service.

There is a mixture of Spanish and English music and the overall vibe is very South Floridian. It is recommended to arrive early as to secure a good parking spot . All clubs near me basically set their own closing time. If you want to party all night long inside the best nightclubs in Vegas, check out Drai's After Hours; they are open until 8AM. Drai's is one of the hottest hip hop clubs in town and features a full roster of famous DJs and performers. The cover charge is usually on the low side so that makes Drai's one of the most desirable Vegas nightlife spots.

Or just visit a strip club…They are always open, and serve pretty good food. Weeknights are low-key at this retro dive from the Estelle's folks, but the room fill up by midnight on weekends and stay packed until the 4am closing time . Or even worse, find yourself in a club but on the outdoor patio with views of the strip. Yes, some clubs have indoor and outdoor spaces such as XS and Omnia . That's why arriving early is so important, but pace yourself.

The guest DJ or hosting celebrity won't usually take the stage until at the earliest midnight and you want to be there to enjoy that experience. Being too buzzed at midnight is a rookie mistake many people make. Bar Rumba is a late night club throughout the week and close to London's Leicester Square serving up a mix of delectable cocktails, big hits and good party vibes. The commercial music, RnB and pop is the engine of this wild and crazy club but the generous happy hours and drinks promotions do their bit to fuel the spirits. Both the name of the bar and what you'll be drinking until the wee hours of the morning, Bourbon On Division is a fan-favorite multi-level venue.

Start off the night on their second floor, a great source of live music, and continue the rest of the night with DJs and drinks on their main dance floor and bar. For a secret night on the town, head to the Henry Henke Building in Downtown Houston and take the elevator to the basement. There, you'll be greeted by a neon sign that reads "Shhh…" Push on the wall beneath the sign to walk into Base. At this modern underground Houston nightclub, patrons can enjoy cocktails, bottle service, DJs, and a stunning light-studded dance floor. Open until 4am at weekends, Sunset Bar is one of the best late night bars in London.

With tasty cocktails and non-stop party tunes all night, it's one of the top spots for weekend clubbing. We understand - sometimes, the party shouldn't end after last orders, but it looks like nearly all the bars are shutting. Well, no more, because London is packed full of venues that just don't want the party to stop and we've found them all for you. For all you night owls looking to party past midnight, here is our list of recommended late night bars and clubs in London to show you where the good times roll on. PRYSM delivers the classic nightclub experience along with some of the top names in electronic and hip-hop music to get you pumped on their two dance floors. Dillon Francis, Tiësto and Migos are just a few of the past guests.

Not to mention plenty of places to catch live music. Check out local breweries including Green Room Brewing, Engine 15 Brewing Company and Southern Swells all located just a few blocks from the sand at Jax Beach. The Soho restaurant and bar is a haven for Australian-style brunching, classy cocktails and beer-fuelled dinners along with live DJs to keep the party going. Whether you are looking for freshly brewed beers, great food or wonderful ambiance, Downtown will not let you down. Counted among the top pubs and nightclubs in Gurgaon, the place boasts of great views of the city and warm interiors complete with dim lighting, leather sofas, and high chairs.

Head off to Cervesia, a name that tops the list of pubs in Gurgaon with dance floor. Spread across two levels, the pub serves everything from house brews, cocktails, and spirits to North Indian, Chinese, and Continental dishes. If you want a fine dining experience, the lower level is ideal. However, those who want to shake a leg and have a blast can opt for the rooftop. Roxy's is a multi-storied, multi-faceted Irish pub and nightclub located on Clematis Street in West Palm Beach.

On the bottom floor, sports and drinking fans gather around the taps to drink worldly suds and watch Florida sports teams take on the opposition. Up top on the roof deck, you can look out over the city after grabbing a drink at one of the two bar stations. Later in the evening, house music blasts and music videos play on the projection screen. A pretty wild dance party usually ensues, where things can get about as crazy as you let them. Dance the night away to electronic dance music , hip-hop and pop hits from internationally-renowned DJs or jam out to music legends like Cardi B, who made her appearance just last year.

The nightclub also hosts special events including corporate parties for up to 1,000 people, birthdays, bar/bat mitzvahs and more. Take a look at our Las Vegas event calendar to find out about all upcoming events. Usually, it's one of the top 10 Las Vegas Nightclubs. Another example is if there has just been a concert or awards show, and a big name performer is at a certain club, chances are, that's where the celebrities will be.

While there's no hard and fast rules, this should give you some idea of how rub elbows with the glitterati. La Contenta is one of our favorite Mexican restaurants in NYC, and if you hang out late night on the Lower East Side, you should know that they stay open until 2am on weekends. This way, the next time you need food after midnight, you won't have to go home and settle for the single bagel in your freezer that mostly just tastes like freezer at this point. Come here instead and eat something like tacos or steak or margaritas.

Inside, the bar's lower floor calls to mind an old library, complete with stately bookshelves, dapper furnishings and family heirlooms throughout. Foliage creeps in and around the bar like it's been there forever. A level up, you'll find the bar's secluded — and equally as green — rooftop, which is open till 1.30am six days a week.

Expect a cocktail list that's broad and oft-changing, spreading plenty of love across a 300-strong back bar selection. To match, the kitchen's currently pumping out six variations of a Philly cheesesteak, a deli sandwich and a few meats and cheeses. Restaurant Hubert is one of the few fine-dining options available for late night eats in Sydney — and what an option it is. Hubert is from the minds behind drinking dens The Baxter Inn, Frankie'sand Shady Pines Saloon, so you know they've got that late crowd in mind, despite the fancy, post-war Parisian decor.

It's opulent, it's sophisticated and it's the fanciest meal you'll get after midnight. Frankie's has been a Sydney late-night champion for more years and beers than we can remember. Open until 3am every night of the week, the dive bar is slinging nothing but its classic New York pizza by the slice for six bucks all night. The pizza is among the more legit in Sydney and includes red and white sauce bases — including sausage, mushrooms and truffle oil and pancetta, potato and mozzarella — along with regular specials. The place is all about late-night debauchery and their regular band and DJ nights keep the partying rocking until the wee hours of the morning when a slice of pizza goes down just right. The venue is an extravagant place of interest with its brilliantly exaggerated decoration, fine kitchen and funny named cocktails.

During the weekdays esteemed Turkish singers go on stage, and on Saturdays after midnight the club party begins with live DJ music. On the Asian side Caddebostan's 'barlar sokağı' — a street of pubs on Iskele Street — and Kadife Street, both in the Kadıköy district, have a lot to offer. On the European side, nightclubs aren't concentrated in one location. There are numerous venues spread out over Nişantaşı in the Şişli district, Ortaköy in the Beşiktaş district or Taksim, Istiklal Street and Nevizade in the Beyoğlu district. In this article I can only mention the tip of the iceberg with a list of 10 nightclubs locals put on the top of their lists, in no particular order. The next time you think of taking your bae put on a romantic date, do plan a date to High Ultra Lounge.

Located at a height of 430 feet above the ground, High Lounge offers you a beautiful view of the city skyline. With a vibrantly light dance floor playing the latest global chartbusters you can dance all night with your one. Gorge on a plethora of Oriental dishes and pamper yourself to good music, great food and special company. A popular nightclub with a huge dance floor, the ambiance of this place is mesmerizing and classy.

It's a well-known club with many international artists performing--from Hardwell to Carnage. It has three huge dance floors and the music played is foot tapping with amazing crowd and well known DJs. This is one of the best clubs for a nightout or for a crazy clubbing experience. If you haven't guessed it already, Raasta is a Caribbean themed lounge that celebrates the Rastafarian culture. Besides colorful interiors, good party vibes, and live music, the place is best known for its karaoke nights on Thursdays, band performances on Saturdays, and Ladies' Nights on Wednesdays.

If you are a Bob Marley fan and love swaying to some great reggae music, Raasta is the place to be. Offering you a glimpse into the Prohibition Era of the 1920s in the United States, Cocktails and Dreams Speakeasy is where you can enjoy some great cocktails on a lazy weekend. The dim-lit interiors and wooden trestle tables of the place exude an old-world charm.

Their skilled and friendly bartenders will engage in conversations with you even as they fix your drinks. The place also plays great music and their band nights and live gigs are major crowd pullers. With its fine range of house brews, great assortment of spirits, and food menu comprising Thai, Japanese, and Chinese dishes, Soi 7 is every party lover's paradise.

Add to this mix the rooftop setting, foot-tapping music, live sports screenings, Ladies' Nights on Thursdays, and impeccable service, and you are all set for a memorable night. There is a boxing ring in the middle of Soi 7 where you can catch live tournaments. Stop in at Off the Hookah and enjoy the spacious dance floor, fashionable atmosphere and swanky lounge areas. This place is great for groups looking to split a hookah, and the multiple bars make getting a drink a between dancing a breeze.

There is always something going on here, from themed nights to local DJ parties. While Miami usually gets all of the credit for the dance clubs and great DJ appearances in South Florida, West Palm Beach and the surrounding areas offer some great nightlife choices as well. Clematis Street in West Palm is full of venues that pump the beats, flash the lights and sling bottle service until the early morning hours. Going to a 4am bar usually means cheap beer and simple mixed drinks, but Barrelhouse Flat puts a slightly classier spin on the experience of staying out late to drink. Order from a menu of nearly 70 cocktails, find a comfortable seat and end the evening with a nightcap that you might even think about ordering when you're sober. Tiger Tiger should be hitting the top of your list.

The Haymarket club keeps its doors open until 3am so you can head down and keep the party going until the early hours. Trace the streets of Chinatown and look for the innocuous green door, for a parlour of traditional dim sum dishes and some of the most creative cocktails in London await. Tonics, remedies and spices all lie in wait at their apothecary of a bar. So settle in and while away the hours with some serious liquor lusting at this secret late night bar in London.