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The most common symptom of arrhythmia is an awareness of an abnormal heartbeat, called palpitations. These may be infrequent, frequent, or continuous. Some of these arrhythmias are harmless (though distracting for patients) but some of them predispose to adverse outcomes. Arrhythmias also cause chest pain and shortness of breath. [citation needed]
Arrhythmia. An arrhythmia is an irregular heartbeat that occurs due to a problem with the electrical activity of your heart. ... The main cause of cardiac arrest is two types of arrhythmias called ...
This event is called a myocardial infarction or heart attack, and can lead to permanent heart damage or be fatal. ... Arrhythmias are the main cause of cardiac arrest but can be triggered by other ...
Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. [1] In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. [1] Heart rates above the resting rate may be normal (such as with exercise) or abnormal (such as with electrical problems within the heart).
Atrial fibrillation (AF, AFib or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. [11] [12] It often begins as short periods of abnormal beating, which become longer or continuous over time. [4]
Some arrhythmias cause the heart to beat abnormally slowly, referred to as a bradycardia or bradyarrhythmia. This may be caused by an abnormally slow sinus node or damage within the cardiac conduction system (heart block). [63] In other arrhythmias the heart may beat abnormally rapidly, referred to as a tachycardia or tachyarrhythmia.
Harbaugh has what's called an atrial flutter, which is a type of arrhythmia that causes the heart to beat at an abnormally high rate. ... cold (cryoablation) or short bursts of energy (pulsed ...
Defibrillation is a treatment for life-threatening cardiac arrhythmias, specifically ventricular fibrillation (V-Fib) and non-perfusing ventricular tachycardia (V-Tach). [1] [2] A defibrillator delivers a dose of electric current (often called a counter-shock) to the heart.