What causes the heart to suddenly beat very fast?
Jun 06, 2022
Source: Cainiu Health
Dr. Li Man
Introduction
If the heart suddenly begins beating rapidly without any alarming triggers—such as stress or exertion—and then abruptly returns to normal after a period of time, with no further palpitations or abnormal heartbeats, this may indicate paroxysmal supraventricular tachycardia (PSVT). In contrast, if the rapid heartbeat occurs suddenly and persists for a relatively prolonged duration, and the rhythm is not only fast but also irregular—resulting in an uneven, chaotic pulse upon palpation—this suggests a different arrhythmia, such as atrial fibrillation.
In daily life, many people may experience a sudden acceleration of heart rate, causing physical discomfort. So, what causes the heart to suddenly beat very rapidly?
What Causes the Heart to Suddenly Beat Very Rapidly?
If the heart suddenly beats very rapidly without any obvious triggering factors—and then spontaneously returns to normal after a period of time, with no further palpitations or abnormal heartbeats—the condition may be paroxysmal supraventricular tachycardia (PSVT). In contrast, if the rapid heartbeat occurs suddenly and persists for a relatively long duration, and the rhythm is not only fast but also irregular, with an obviously irregular pulse upon palpation, the condition may be rapid atrial fibrillation.
When experiencing sudden tachycardia, the first step is to measure blood pressure and heart rate. If blood pressure remains stable (i.e., not low) while heart rate is indeed excessively elevated, oral beta-blockers are recommended to slow the heart rate and suppress sympathetic nervous system overactivity. However, if the patient presents with both marked tachycardia and hypotension, Wenxin Keli (a traditional Chinese medicine formulation) may be administered initially. This medication can also help reduce heart rate, but further diagnostic evaluation is essential—only by identifying and treating the underlying disease can symptom recurrence be effectively prevented.
In daily life, maintain a positive mood, avoid excessive fatigue, emotional agitation, and sleep deprivation; ensure adequate rest. Consume plenty of fresh vegetables and fruits, foods rich in vitamins, and engage regularly in physical exercise to enhance immune function. We hope this information has been helpful!
