Home

Flutter atrial ECG

Electrocardiogram (ECG or EKG) - Mayo ClinicFlashcards - EKG dysrhythmias - | StudyBlue

Atrial Flutter ECG Review - Criteria and Examples

  1. The ECG criteria to diagnose atrial flutter are discussed including clockwise and counterclockwise, typical vs atypical atrial flutter, and different conduction patterns such as 1:1, 2:1, 3:1, 4:1.
  2. 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 (in each ECG lead). Flutter waves are typically best seen in leads II, III aVF, V1, V2 and V3
  3. Atrial flutter is distinguishable on the electrocardiogram because it is a rhythmic tachycardia with heart rates that are divisors of 300 bpm, 150 bpm being the most frequent in untreated patients (AV conduction ratio 2:1). There are no existing P waves, although atrial waves with saw-tooth pattern are spotted with rates around 300 bpm
  4. Atrial flutter is a re-entrant tachycardia that occurs in the atria. It can occur suddenly, and is sometimes associated with periods of atrial fibrillation. The AV node is bombarded by a regular..
  5. ute. Rapid contractions prevent the chambers from filling completely between beats

Atrial flutter: classification, causes, ECG diagnosis

The ECG Patterns Typical (counter clockwise) flutter is associated with the 'common' flutter pattern 20,21 (see Figure 2): a regular continuous undulation with dominant negative deflections in inferior leads II, III and aVF, often described also as a 'saw tooth pattern', and flat atrial deflections in leads I and aVL Although there are many tests to evaluate atrial flutter, the most common diagnostic test is an electrocardiogram (ECG / EKG). Antiarrhythmics, beta-blockers, and anticoagulants are the three general types of drugs used to treat and manage this type of heart disease Atrial flutter is characterized by a sudden-onset (usually) regular abnormal heart rhythm on an electrocardiogram (ECG) in which the heart rate is fast Podemos distinguir o flutter atrial no ECG como uma taquicardia rítmica com frequência cardíaca próxima a divisores de 300 bpm, a mais frequente, em pacientes sem tratamento, é de 150 bpm (condução AV 2:1). Não existem ondas P. São observadas ondas atriais como dente de serra (ondas F) com frequências em torno de 300 bpm

Atrial Flutter, Electrocardiogram Characteristics - My EK

10 tips to diagnose atrial flutter on an EK

  1. In atrial flutter, your atria receive organized electrical signals, but the signals are faster than normal. The atria beat more frequently than the ventricles (up to 300 bpm). Only every second..
  2. utes
  3. pediatric ecg; pericarditis; pericardial effusion; pericardial tamponade; poor r wave progression; preexcitation syndrome; premature complexes (pac, pjc, pvc) atrial flutter 1:1; atrial flutter 2:1; variable flutter; atrial fibrillation (afib) afib with rvr; afib with wpw; atrial tachycardia; atrioventricular (av) block
  4. Official ECG Read: Typical atrial flutter with variable conduction of 3:1 and 4:1 at a ventricular rate of ~75. Teaching: Atrial flutter is due to a large re-entry circuity, through the cavo-tricuspid isthmus (CTI). This typically produces an atrial rate ~300bpm with a negative 'sawtooth' deflection in lead II
  5. Paramedic Tutor http://paramedictutor.wordpress.comblog by Rob Theriaul
  6. The atrial flutter waves are regular and on an electrocardiogram (ECG, EKG) are seen as P waves in a regular saw tooth pattern (small P waves in succession with short or no intervals between each wave)

Atrial Flutter Johns Hopkins Medicin

  1. ating atrial fibrillation (AF). 1 - 10 In this setting, the most common macroreentrant left AT is clockwise or counterclockwise reentry around the mitral valve. 3 Left atrial (LA) roof-dependent flutter is a common macroreentrant LA tachycardia that involves the LA.
  2. This review will address the question of whether there are clues from the 12-lead electrocardiogram (ECG) which assist in the localization of atrial flutter (AFL) circuits. The continued use of the designation AFL owes most to historical and traditional considerations as in the modern era, the term conveys very little information about.
  3. Atrial flutter is a common type of heart arrhythmia. You may have no symptoms. If present, symptoms may include a noticeable fast, steady or irregular pulse, shortness of breath, dizziness, trouble with normal activities or exercise, a feeling that your heart is pounding, or tightness in your chest
  4. Atrial flutter is a common arrhythmia, especially in men (perhaps as they have larger hearts) (Table 44.1). It is due to a macro re-entrant circuit in the right atrium (Fig. 44.1a - d) and results in a highly characteristic ECG appearance, with continual electrical activity best seen in the inferior leads
  5. 12-lead ECG library, Atrial flutter. A 68 year old lady on digoxin complaining of lethargy. Atrial flutter. A characteristic 'sawtooth' or 'picket-fence' waveform of an intra-atrial re-entry circuit usually at about 300 bpm
  6. ute. A normal heartbeat is 60-100 beats per..
  7. Atrial flutter is one of the more common abnormal heart rhythms (arrhythmias). It's caused by an abnormal electrical circuit in the upper chambers of the heart (atria) that makes the atria beat quickly and flutter instead of fully squeezing. It can result in fast heart rates and a heart that doesn't work as well as it should
Float Nurse: EKG Rhythm Strip Quiz 179

Atrial flutter is a type of heart rhythm disorder ( arrhythmia) caused by problems in your heart's electrical system. Atrial flutter is similar to atrial fibrillation, a common disorder that causes the heart to beat in abnormal patterns. People with atrial flutter have a heart rhythm that's more organized and less chaotic than that of atrial. Atrial flutter ECG Leads I, II and III Leads aVR, aVL and aVF Leads V1-V3 (unlabelled) and V4-V6. Positive flutter waves (F waves) are seen in inferior leads with 2:1 conduction. One flutter wave is seen within the ST segment and another in the usual location of a P wave Atrial flutter is normally diagnosed in your physician's office using an electrocardiogram (ECG or EKG). If the diagnosis is still in question, your doctor may recommend a Holter monitor , an event monitor or an electrophysiological study , during which a narrow, flexible tube called a catheter is threaded through a vein to your heart under. Atrial heart rates can be as high as 220-350 with non-consistent ventricular responses varying from 1 to 1 or up to 1 and 5 ventricular response to each atrial action. This ration is known to determine the patient's heart rate. Atrial Flutter waves typically appear in a sawtooth pattern making it distinct in ECG waveform morphology. Atrial. A 12-lead ECG can help immensely in seeing the flutter waves, because some leads are better for viewing atrial activity than others. In some leads, atrial flutter will not have a sawtooth pattern

Atrial Flutter, Typical and Atypical: A Review AER Journa

The ECG shows atrial flutter with narrow QRS complexes signifying recruitment of the ventricles using the His-Purkinje conduction system. The flutter waves are seen as regular continuous undulations in multiple ECG leads at a rate of ≈290 cycles per minute. Careful inspection shows that, although the QRS complexes occur at regular intervals. After atrial fibrillation, atrial flutter is the most important and most common atrial tachyarrhythmia. Although it was first described 80 years ago, techniques for its diagnosis and management have changed little for decades. The diagnosis rested almost entirely with the 12 lead ECG, and treatment options included only the use of a digitalis compound to slow and control the ventricular.

Video: 6 Atrial Flutter: Treatment, Symptoms, ECG, Serious & vs

Flutter atrial 1. Généralités : e-cardiogram. Flutter atrial 1. Généralités. Tachycardie atriale en rapport avec l'activation incessante de l'oreillette par un influx qui tourne en boucle. Synonyme : Tachycardie atriale par macro réentrée (macro-re-entrant atrial tachycardia) [1]. Dix fois moins fréquente que la fibrillation. Características del electrocardiograma del flutter auricular. Ritmo rítmico con frecuencia cardiaca en torno a divisores de 300 (150 lpm, 100 lpm, 75 lpm). Ausencia de ondas P. Ondas F «en diente de sierra» con frecuencia en torno a 300 lpm. Complejos QRS similares al del EKG normal salvo aberrancia

Atrial flutter - Wikipedi

Atrial flutter is best diagnosed by ECG which is done during the episode of atrial flutter. It can be impossible to diagnose for certain unless it is 'caught' on an ECG when it is happening and therefore if you are having palpitations, the foremost priority should always be to have an ECG as soon as possible so that it is captured before it. The electrocardiogram in atrial flutter is typically characterized by its sawtooth flutter waves (F waves - arrows below) best demonstrated in the inferior leads (II, III, aVF and V1). A rapid regular atrial rhythm is generally demonstrated between 250 and 350 bpm, and the qRS rate is determined by the ratio of atrioventricular conduction

Flutter Atrial, Características do Eletrocardiograma - My EK

Atrial flutter is a supraventricular tachycardic arrhythmia that tends to occur in individuals of an advanced age, although it is linked to endurance sports, also. In cases of atrial flutter, the normal conduction pathway of the heart from the Sinoatrial node, through the atrioventricular node to the ventricles, is interrupted causing a re-entry pathway The most common form is Type 1 atrial flutter where there is a large reentrant loop that circles the right atrium, resulting in an atrial rate of 240-300 beats/min. The ECG in Type 1 atrial flutter can show either a negative sawtooth pattern or flutter waves in leads II,III and aVF due to a counterclockwise re-entrant atrial loop. The Patient This ECG was obtained from a 74-year-old man who had a history of COPD. He was complaining of severe chest pain at the time of the ECG. The ECG The rhythm is atrial fib or flutter (the R to R intervals are irregular, but seem to repeat about 4 interals). Flutter waves are seen during some of the longer intervals. The rate is approximately 90 beats per minute

ECG: Atrial Flutter Stanley Medical College, Department of Medicine Follow 0 Comments 11 Likes Statistics Notes Full Name. Comment goes here. 12 hours ago Delete Reply Block. Are you sure you want to Yes No. Your message goes here Post. Be the first to comment. Angela Alfred. 3 months ago. Atrial Flutter : C8, R3 : Is a narrow complex tachycardia with a regular atrial activity at - 300 bpm. Flutter waves (saw-tooth pattern) best seen in leads II, III, AVF . Flutter waves in V1 may resemble P waves. Loss of a clear isoelectric baseline. There can be a fixed AV block (e.g. 2:1. 3:1, 4:1, etc) In favor of atrial flutter: Regular and rapid atrial activity with a peaked upward deflection in this right-sided MCL-1 monitoring lead. That said, the atrial rate of 230/minute is a bit below the usual atrial rate range for untreated atrial flutter (of 250-350/minute), and the expected sawtooth pattern of atrial flutter is missing in. Figure 6. 2:1 Flutter with an atrial rate of 336 /min and a ventricular rate of 168 bpm. Figure 7. 2:1 flutter with an atrial rate of 224 /min and a ventricular rate of 112 bpm. It's going out on a limb, but I'm going to boldly state that you're unlikely to come to the correct diagnosis unless you think of it first

Flutter atrial Reference Guide - ekg

Although usually flutter waves are regular and appear as sawtooth P waves in ECG's (typical atrial flutter); occasionally electrical conduction blocks can occur and produce 2:1, 3:1 or 4:1 waves or even appear as irregular bpm's resembling an irregular arrhythmia. Infrequently, atrial flutter may be seen with bradycardia (an abnormal heart. Atrial Flutter after AV Nodal Blocking with Adenosine From Dr. Smith's ECG Blog. Pitfalls of Diagnosing Atrial Flutter — The rate isn't always exactly 150. If the rate is slower (e.g. HR 125-140, it can resemble Sinus Tachycardia. Therefore, in any regular narrow-complex tachycardia with HR 130-170, it is important to consider atrial flutter (See ECG tutorial: Atrial and atrioventricular nodal (supraventricular) arrhythmias, section on 'Atrial fibrillation and atrial flutter' and Overview of atrial flutter.) In the absence of rate slowing drugs or atrioventricular (AV) nodal disease, most commonly, every other beat is conducted through the AV node so that the ventricular rate. Atrial flutter is an abnormal heart rhythm that causes the atria to beat more quickly than they should To make the diagnosis of atrial flutter we need to identify evidence on the ECG of atrial depolarization occurring at or near this rate (while remembering that there is a range of possible rates). The diagnosis of atrial flutter is confirmed by identification of atrial depolarization occurring at a rate between 200 and 400 times per minute

Overview of atrial flutter - UpToDat

The beginning of ECG shows that the rate of atrial F waves is equal to the rate of ventricular beats in wide tachycardia. Figure 3. Irregular atrial flutter followed by 1:1 conduction episode with aberrant QRS complexes. Atrial rate in AFL may drop down to 200 bpm, and even to 150 bpm due to antiarrhythmic therapy Atrial flutter, or Aflutter as many refer to it, is a rhythm that comes from the incorrect conduction path of atrial impulses that travel, normally in an organized fashion, along a pathway or circuit around the right atrium. Thus, this causes fast Atrial beats that are regular and organized, unlike the irregularity that occurs in Afib Name: Atrial Fibrillation/Flutter: Collected For: STK-3: Definition: Documentation by a physician/APN/PA that the patient has a history of ANY atrial fibrillation (e.g., remote, persistent, or paroxysmal) or atrial flutter OR a diagnosis or signed ECG tracing of ANY atrial fibrillation or flutter.: Question: Was there physician/APN/PA documentation of a diagnosis, signed ECG tracing, or a. Ontology: Atrial Flutter (C0004239) A disorder characterized by an electrocardiographic finding of an organized, regular atrial rhythm with atrial rate of 240-340 beats per minute. Multiple P waves typically appear in the inferior leads in a saw tooth-like pattern between the QRS complexes

Atrial tachycardia is a broader term referring to any SVT initiated outside of the sinus node, and comprises FAT, MAT and atrial flutter. Atrial flutter is a separate entity to FAT but they are both forms of atrial tachycardia In the common form of typical atrial flutter, the electrocardiogram (ECG) shows sawtooth flutter (F) waves. Flutter waves are often visualized best in leads II, III, aVF, or V1 (see the image below)

Atrial flutter is an abnormal, rapid heart rhythm that comes from the heart's upper chambers — the atria — causing them to beat at rates of 220 to 300 times a minute. Atrial flutter is uncommon in the young except when there is a history of heart surgery involving the atria EKG Atrial Flutter and Fibrillation. STUDY. PLAY. Define: Atrial Flutter. - organized race track in the atria, typically the right atria around the tricuspid valve (cavo-tricuspid isthmus) Characteristics of Atrial Flutter. - Atrial rate near 300 cycles/min: between 250 and 350. - F waves instead of P waves The device analyzes the results of a 12-lead ECG administered as part of routine care to provide clinicians with insight into a patient's risk of future atrial fibrillation and/or atrial flutter.

Atrial flutter is a common tachycardia (fast heart beat) that results from a rapid electrical circuit in the atrium ( Figure 2 ). Atrial flutter can be caused by scarring in the heart resulting from prior cardiac disease or heart surgery, but it can also occur in some patients with no other identifiable heart problems

ECG 12. The ECG above belongs to an 80 years-old man. The atrial rate is around 330/minute. Comment by Dr. Fred Kusumoto: Probable left sided atrial flutter-which often is characterized by minimal flutter deflections observed in the frontal axis ECG SAMPLES IN ATRIAL FLUTTER EXAMPLE 01 There are inverted flutter waves in II, III + aVF at a rate of 300 bpm (one per big square) There are upright flutter waves in V1 simulating P waves There is a 2:1 AV block resulting in a ventricular rate of 150 bpm Note the occasional irregularity, with a 3:1 cycle seen in V1-3 This is the classic.

Atrial Flutter - ekg

I have a Kardia and it does not detect atrial flutter in the sense that it does it flag it up explicitly. However, if read by a medical professional, the ECG trace might indicate atrial flutter. Strictly, all the Kardia does is to indicate *possible* atrial fibrillation Atrial Flutter. Diagnosis. If your doctor suspects that you may have an arrhythmia, he or she will order one or more of the following diagnostic tests to determine the source of your symptoms. Electrocardiogram The electrocardiogram (ECG or EKG) records the heart's electrical activity. Small patches called electrodes are placed on your chest. Atrial flutter (AFL) is a type of abnormal heart rhythm, or arrhythmia.It occurs when the upper chambers of your heart beat too fast, causing the bottom chambers to also beat faster than normal In atrial fibrillation or flutter, the heart rate may be 100 to 175 beats per minute. Blood pressure may be normal or low. An ECG (a test that records the electrical activity of the heart) may show atrial fibrillation or atrial flutter. If your abnormal heart rhythm comes and goes, you may need to wear a special monitor to diagnose the problem

Atrial Flutter Treatment Abnormal Heartbeat - London

INTERPRETATION: At first glance - one might be tempted to say atrial flutter was present.However, more careful inspection suggests that the baseline deflections do not represent atrial activity at all. In adults - atrial activity with atrial flutter is almost always regular at a rate of between 250-to-350/minute Atrial flutter (AFL) is an abnormal cardiac rhythm characterized by rapid, regular atrial depolarizations at a typical atrial rate of 250 to 350 beats per minute. There is frequently 2:1 conduction across the atrioventricular (AV) node, meaning that every other atrial depolarization reaches the ventricles

Atrial flutter: common and main atypical form

Atrial flutter: This is often a transitional state, as the atria is deciding whether to settle down into sinus rhythm or atrial fibrillation. Atrial flutter is often difficult to treat using rate control, since the rate tends to be stubbornly stuck at around 150. (More on atrial flutter below. Atrial Flutter & Atrial Tachycardia. An arrhythmia is an abnormality in the timing or pattern of the heartbeat. Arrhythmias may cause the heart to beat too rapidly, too slowly, or irregularly. They are common and may cause a wide variety of symptoms, such as a racing, skipping or fluttering sensation (called palpitations) in your chest So the rhythm in this ECG is Atrial Flutter with 2:1 Conduction. Read More about ECG Interpretation. Read more articles. Previous Post ECG Case 15. Next Post ECG Case 16. You Might Also Like. ECG Case 19 July 31, 2021. ECG Case 13 June 13, 2021. Atrial Tachycardia with 2nd degree AV Block - Mobitz I (Wenckebach Atrial fibrillation impulses take multiple, chaotic, random pathways through the atria Atrial flutter impulses take a circular course around the atria, setting up the flutter waves Mechanism of impulse formation: reentry Defining Criteria and ECG Features (Distinctions here between atrial fibrillation vs atrial flutter; all other.

One of the good teaching points in this ECG is that some leads show P waves (or, in this case, flutter waves) better than others. The diagnosis of atrial flutter can be missed by practitioners utilizing only one or two leads. The typical flutter waves, at a rate close to 300 / min., can best be seen in Leads II, III, aVF, aVL, V1, and V3 In patients with non-AV-nodal dependent circuits (i.e., focal atrial tachycardia and atrial flutter), intravenous use of adenosine may prove to be a valuable diagnostic tool because the transient AV block may unmask ectopic atrial P waves or flutter waves. 20 Patients should always be monitored by ECG during adenosine administration Atrial flutter. Tachyarrhythmia at the slow end of flutter/fibrillation spectrum; produced by macro-reentry within a single circuit in atria; characterized by regular uniform F waves. Organized macro-reentrant electrical activity in the atrium resulting in rapid, regular flutter (F) waves. Flutter wave rate: 214-340 beats/min (often 240. A heart tracing or electrocardiogram (ECG) can record the electrical activity of your heart. In your case, your heart is not beating normally. In atrial flutter, the electrical signals are also very fast but in a more regular pattern. Although atrial fibrillation and atrial flutter are two different rhythm problems An EKG is the most important test used in the diagnosis of AFib and atrial flutter. An EKG is performed by placing small, painless electrodes on your chest, wrist, and ankles. This test is performed while you are at rest or, in the case of an exercise stress test, while you are walking on a treadmill

Atrial flutter usually has the atrial rate at almost precisely 300 / min. and ventricular rate most oftentimes at 150 / min. (2:1 A-V block). Vagal stimulation, adenosine or betablockers may increase the degree of A-V block and classical flutter waves can be visualised on the ECG as positive atrial waves in V1 and negative sawtooth pattern. In favor of AFlutter — is regular and rapid atrial activity with a peaked upward deflection in this right-sided MCL-1 monitoring lead. That said, the atrial rate of 230/minute is a bit below the usual atrial rate range for untreated atrial flutter (of 250-350/minute) — and, the expected sawtooth pattern of atrial flutter is missing in this lead Atrial flutter and atrial fibrillation are the two most common arrhythmias which originate in the atrium and cause a narrow complex tachycardia which has thromboembolic risk and coexist clinically. Atrial flutter has been traditionally defined as a supraventricular arrhythmia with an atrial rate of 240-360 beats per minute (bpm). It is due to a macro-reentrant atrial activation around an. Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart. When it first occurs, it is usually associated with a fast heart rate. In this lesson, we'll look at why/how atrial flutter occurs, and then look at a typical ECG readout for an adult patient in atrial flutter and provide a cardiac.

Atrial Fibrillation Rate Control. Types. Type I Atrial Flutter (typical) Constant atrial rate of 240 to 350 beats per minute. Ventricular rate will usually be at least a 2:1 block ( AV Node prevents rates above 180) Natural rate is altered by age, atrial dilation and Antiarrhythmic s (esp Type Ia or Type Ic) Type II The atrial rate is about 150 and the ventricular rate is 75. The atrial rate and ventricular rate match, and the rate is between 250 and 400. The atrial rate is between 250 and 350 and the ventricular rate is less due to blockage at the AV node. Question 6 of 10. A student nurse is observing an EKG rhythm on a monitor and observes a sawtooth. Atrial Flutter and Atrial Fibrillation. Atrial Flutter and Atrial Fibrillation. With atrial flutter the 'P' waves are indeterminate. The PRI is indeterminate. Note the 'Flutter' or 'F' waves. They often look like a 'saw tooth' as well. Baseline is absent. Report the F wave to QRS ratio. If not a consistent ratio it is called Atraial Flutter. Atrial flutter is a macro-reentrant tachycardia and can be classed as typical or atypical atrial flutter depending upon the origin. Flutter waves are seen on ECG. Like atrial fibrillation, it can be paroxysmal or persistent. In typical atrial flutter the rhythm has its origin in the right atrium at the level of the tricuspid valve. This is also.

Atrial flutter is a cardiac arrhythmia characterized by atrial rates of 240-400 beats/min, usually with some degree of atrioventricular (AV) node conduction block. In the most common form of atrial flutter (type I atrial flutter), electrocardiography (ECG) demonstrates a negative sawtooth pattern in leads II, III, and aVF Atrial flutter (AFL) is a regular, macro reentrant arrhythmia traditionally defined as a supraventricular tachycardia with an atrial rate of 240-320 beats per minute (bpm). Pathophysiology of atrial flutter and atrial fibrillation (AF) is closely related to the similar risk of stroke and they coexist clinically. Atrial flutter is classified to cavotricuspid isthmus (CTI) dependent (or.

Atrial Flutter vs. Atrial Fibrillation: What's the Difference

Atrial Flutter is a dysrhythmia that is the result of a flawed reentry circuit within the atria. It is often described as resembling a sawtooth or picket fence. These flutter waves should not be confused for P waves. The AV node is a wonderful protective mechanism. Imagine the atria depolarizing at a rate of 250 to 350 bpm The Tempus ECG Analysis Platform is tackling that challenge by analyzing results of a widely used clinical test, the 12-lead ECG, with software that identifies patients at increased risk of developing AFib or atrial flutter within the next 12 months Among the diverse arrhythmia conditions, atrial fibrillation (AF) and atrial flutter (AFL) have higher morbidity and mortality. AF is an irregular abnormal rhythm along with the absence of P-wave and AFL is a relatively regular atrial rhythm due to the macrorentrant circuit phenomenon [3] EKG Interpretation: Atrial Flutter & A-fib. In this video we'll be looking at how to interpret an EKG strip, specifically atrial flutter and atrial fibrillation. If you haven't already, you may want to watch our video on basic EKG interpretation first - it goes into more detailed steps of how to read an EKG strip and is a good refresher Small flutter or sawtooth waves can be seen. These signs are indicative of atrial flutter or AFL. The atria contract rapidly, with most electrical impulses being blocked before reaching the ventricles. This leads to a very high and unproductive atrial rate, but throttled ventricular rate. Atrial flutter can cause an increased risk of blood clots

Cardio Command - TAP TechnologyAtrial fibrillation resident survival guide - wikidoc

Scan up and down the ECG leads to look for retrograde P waves or AFL F-wave. All 12-lead ECGs are simultaneous. • Compare QRS and T-wave morphology of SVT • Slowing down the QRS complexes will make atrial flutter or atrial fibrillation waves more obvious • AV block will terminate AV node-dependent SVTs (AVNRT and AVRT). Can also. Atrial flutter is an abnormal, rapid heartbeat that produces a sawtooth pattern on an electrocardiogram. Atrial flutter is a heart disorder in which the heart beats much faster than normal

Super Ventricular Tachycardia - ECG Training - YouTubeEletrical alternans: the ECG in pericardial effusion