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Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart. [1] When it first occurs, it is usually associated with a fast heart rate and is classified as a type of supraventricular tachycardia (SVT). [2]
There are four main types of SVT: atrial fibrillation, atrial flutter, paroxysmal supraventricular tachycardia (PSVT), and Wolff–Parkinson–White syndrome. [2] The symptoms of SVT include palpitations , feeling of faintness, sweating, shortness of breath , and/or chest pain .
Paroxysmal atrial tachycardia has a regular rate, however a high rate of about 140-250 bpm, p waves are generally hidden and the PR interval is not measurable. Atrial flutter has an atrial rate of 250-400 and can be identified by p waves with saw tooth deflections.
Atrial fibrillation is one of the most common cardiac arrhythmias. In general, it is an irregular, narrow complex rhythm. In general, it is an irregular, narrow complex rhythm. However, it may show wide QRS complexes on the ECG if a bundle branch block is present.
Atrial tachycardia is a type of heart rhythm problem in which the heart's electrical impulse comes from an ectopic pacemaker (that is, an abnormally located cardiac pacemaker) in the upper chambers of the heart, rather than from the sinoatrial node, the normal origin of the heart's electrical activity.
Atrial flutter is a type of heart rhythm disorder during which the heart's upper chambers beat faster than its lower chambers. This causes the heart to beat in a sped-up but consistent pattern, as ...
Atrial flutter is when the atria repeatedly contract at really high rates, usually due to an underlying condition combined with premature atrial contraction. Faster atrial contraction in turn increases the number of ventricular contraction, which can cause shortness of breath, chest pain, dizziness, and nausea in certain people.
A rapid, regular heartbeat is usually due to paroxysmal SVT or ventricular tachycardia. [1] A rapid, irregular rhythm might be due to atrial fibrillation, atrial flutter, or tachycardia with a variable block. [1] Supraventricular and ventricular tachycardias often cause sudden palpitations. They start and stop quickly.
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