Can premature ventricular contractions cause a heart attack?

Written by Zhang Yue Mei

Cardiology

Updated on September 22, 2024

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Ventricular premature beats will not cause myocardial infarction as they arise from different mechanisms and lead to different outcomes. Ventricular premature beats occur due to changes in the ventricular conduction system, causing irregular heartbeats. Myocardial infarction is caused by the narrowing of coronary arteries, the formation of plaques, and thromboses, leading to blockage that deprives the heart of oxygen, resulting in ischemia and necrosis, known as myocardial infarction. Myocardial infarction is a serious condition that requires immediate medical intervention to save the patient's life. Ventricular premature beats can occur due to pathological reasons or can be seen in healthy individuals, and can be managed with medications that regulate the heart rate to achieve the desired therapeutic outcome.

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Written by Liu Ying

Cardiology

47sec

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The difference between ventricular premature beats and atrial premature beats.

Atrial premature beats are excitations of the heart initiated by the atrium and are prematurely triggered; ventricular premature beats refer to heart excitations initiated by the ventricles, which are also premature. On the electrocardiogram (ECG), atrial premature beats can be seen as prematurely occurring P waves and QRS complexes, where the shape of the QRS complex is consistent with that of the normal sinus rhythm. In contrast, ventricular premature beats on the ECG are shown as prematurely occurring wide and abnormal QRS complexes, with no preceding P wave.

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Written by Li Hai Wen

Cardiology

57sec

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Is ventricular premature beat intercalary serious?

Whether ventricular premature beats are serious depends on the cause of the ventricular premature beats. From a medical perspective, physiological ventricular premature beats are generally not serious and do not greatly affect health or endanger life. Physiological ventricular premature beats are often related to emotional stress, staying up late, and poor lifestyle habits such as drinking strong tea or coffee. Pathological ventricular premature beats, on the other hand, are often more serious, such as those caused by cardiomyopathy. These ventricular premature beats can potentially trigger ventricular tachycardia or ventricular fibrillation, seriously endangering the patient's life. Pathological ventricular premature beats require active interventional treatment to prevent the premature beats from worsening and causing unexpected events.

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Written by Li Hai Wen

Cardiology

46sec

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Can ventricular premature beats be cured by medication?

Can ventricular premature beats be cured by medication? The answer is no, medication cannot cure ventricular premature beats. However, with standardized medical treatment such as metoprolol and amiodarone, and maintaining good lifestyle habits, such as regular exercise, consistent sleep patterns, quitting smoking, limiting alcohol intake, and avoiding strong coffee and tea, the treatment effectiveness for ventricular premature beats is often quite good. Therefore, although medication cannot cure ventricular premature beats entirely, the treatment results can still be very positive, but it should always be conducted under the guidance of a doctor. (The use of medication should be under the guidance of a doctor)

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Written by Li Hai Wen

Cardiology

53sec

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How to exercise to recover from premature ventricular contractions?

For ventricular premature beats exercise, it should be judged based on whether there is structural heart disease. Firstly, for those with structural heart disease, such as dilated cardiomyopathy or valvular heart disease, the exercise should be based on the patient's physical tolerance. Engage in exercises that are not physically demanding, such as jogging, practicing Tai Chi, and park walking, taking not feeling fatigue or experiencing symptoms of breathlessness as references. Secondly, for those without structural heart disease, ventricular premature beats without structural heart disease or other diseases, such as pneumonic heart disease, these ventricular premature beats are often functional. Daily exercise generally has no apparent restrictions; activities such as running, playing ball, or swimming are all permissible.

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Written by Zhang Yue Mei

Cardiology

46sec

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Is ventricular premature beat a heart disease?

Ventricular premature beats can occur in the normal population, caused by autonomic nervous dysfunction. These premature beats are not considered heart disease. However, ventricular premature beats caused by certain heart diseases are considered heart disease. Common heart diseases include congenital heart disease, viral myocarditis, rheumatic heart disease, coronary artery disease, and pulmonary heart disease. These diseases lead to myocardial damage and ischemia, causing abnormal conduction rhythms, resulting in premature beats. Treatment should be provided based on different causes, and the premature beats should be corrected simultaneously.