Sustained heart palpitations lasting more than 30 seconds are considered a medical emergency. Ventricular tachycardia is a very rapid, but regular heartbeat of 100 beats or more a minute occurring in the lower chambers (ventricles) of the heart. It is seldom life-threatening, but the heart palpitations could indicate underlying coronary artery disease or heart valve disorders. Atrial fibrillation arrhythmias could become chronic and lead to stroke. This fast and irregular palpitation occurs in the atria or upper chambers of the heart and could last a few minutes to an hour. This is a prevalent arrhythmia in young adults This is experienced as a sudden burst of rapid heartbeats that begin and end abruptly, lasting for seconds or hours. These arrhythmic heart palpitations can have serious implications: Supraventricular tachycardia (SVT) When you have arrhythmia, your heartbeat either goes very fast, over 100 beats a minute (tachycardia) or very slow, less than 60 beats a minute (bradycardia ). SingHealth group, these electrical impulses are what will cause your heart to beat too rapidly, too slowly or irregularly. Cardiac arrhythmias occur when there is a short-circuit in the electrical impulses controlling your heartbeat.Ĭlinical Associate Professor Ching Chi Keong, Senior Consultant from the Department of Cardiology and Director for Electrophysiology and Pacing at National Heart Centre Singapore (NHCS), a member of the Of greater concern are heart palpitations caused by cardiac arrhythmias. Cardiac arrhythmias: An electrical short-circuit in the heart
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