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What causes premature ventricular contractions with pauses and blacking out? What should be done?

Jun 04, 2023 Source: Cainiu Health
Dr. Tian Hongbo
Introduction
Premature ventricular contractions accompanied by syncope and transient visual darkening may be related to excessive fatigue, congenital heart disease, or coronary atherosclerotic heart disease. Patients can receive treatment through daily care, oral medications, or surgical interventions. In addition to these common causes, such symptoms may also be associated with acute myocardial infarction, hypertensive heart disease, or pulmonary heart disease.

Premature ventricular contractions accompanied by syncope and visual darkening may be related to factors such as excessive fatigue, congenital heart disease, or coronary atherosclerotic heart disease. Patients can receive treatment through daily care, oral medications, surgical interventions, and other methods. A detailed analysis is as follows:

1. Excessive Fatigue

If patients are in a state of prolonged overexertion, ectopic pacemaker sites may become prematurely excited, leading to premature cardiac contractions. This can result in symptoms such as premature beats, cardiac pauses, dizziness, and visual darkening. Patients should ensure adequate rest, maintain sufficient sleep, and follow a balanced diet to help improve their overall physical condition.

2. Congenital Heart Disease

Patients may present with conditions such as narrowed cardiac blood vessels or abnormal heart valves, which can obstruct blood flow and lead to irregular heartbeat, arrhythmia, dizziness, and other symptoms. Medications such as Su Xiao Jiu Xin Wan (Quick-acting Heart-Saving Pills) or Isosorbide Nitrate tablets, prescribed by a physician, may help alleviate these symptoms.

3. Coronary Atherosclerotic Heart Disease

Narrowing or blockage of the coronary arteries can impair circulation, causing myocardial ischemia and hypoxia, thereby triggering symptoms such as premature heartbeats, dizziness, visual darkening, and chest pain. In some cases, surgical intervention may be necessary, including procedures such as coronary artery bypass grafting (CABG) or percutaneous coronary intervention (PCI).

Besides the common causes mentioned above, such symptoms may also be associated with acute myocardial infarction, hypertensive heart disease, or pulmonary heart disease. If a patient experiences frequent premature heartbeats, they should visit a hospital for appropriate diagnostic evaluations and receive targeted treatment under medical supervision.

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