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 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.

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Written by Zhang Yue Mei

Cardiology

57sec

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What causes premature ventricular contractions?

Ventricular premature beats are the most common type of premature beats clinically, and they mostly occur in healthy people, also known as benign premature beats. They are caused by unstable autonomic nerve function leading to arrhythmia and do not require treatment with anti-arrhythmic drugs. Treatment through regulating nerves and lifestyle can lead to improvement. They can also occur in organic heart diseases, such as coronary heart disease, rheumatic heart disease, pulmonary heart disease, and viral myocarditis. These organic heart diseases, due to long-term myocardial damage, exhibit ectopic rhythms and require treatment with effective anti-arrhythmic drugs alongside treatment of the primary disease (the use of such drugs should be under the guidance of a physician).

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Written by Li Hai Wen

Cardiology

39sec

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Can ventricular premature beats cause dizziness?

Ventricular premature beats are a relatively common occurrence in our daily lives. Whether ventricular premature beats can cause dizziness is a question that requires specific analysis of each individual case. If ventricular premature beats occur frequently, they may lead to reduced cardiac pumping function or decreased cardiac output, thereby causing symptoms of hypoxia, which might include dizziness. Besides dizziness, other symptoms such as palpitations and chest tightness may also occur due to hypoxia. Conversely, if ventricular premature beats only occur occasionally, they generally do not cause dizziness.

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Written by Chen Tian Hua

Cardiology

51sec

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Frequent ventricular premature beats refer to what?

Frequent ventricular premature beats refer to the occurrence of more than five ventricular premature beats per minute. Ventricular premature beats, also known as ventricular premature contractions, can occur in patients without structural heart disease, as well as in those with structural heart disease. For frequent ventricular premature beats occurring on the basis of structural heart disease, it is necessary to actively treat the underlying heart disease. Some ventricular premature beats can also be treated with radiofrequency ablation surgery to reduce their occurrence. In daily life, it is important to maintain a healthy lifestyle, reasonably plan work and life activities, reduce mental stress, avoid extreme emotional fluctuations, avoid overwork and staying up late, and ensure sufficient sleep.

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Written by Zhang Yue Mei

Cardiology

1min 3sec

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Can ventricular premature beats be cured?

Whether ventricular premature beats can be cured depends on the underlying disease causing it. In healthy populations, ventricular premature beats occur due to unstable autonomic nerve function or during the growth and development phase in young adults; these functional ventricular premature beats generally do not require medication. By regulating the autonomic nerves and engaging in appropriate aerobic exercise, these premature beats can be cured. However, frequent ventricular premature beats caused by organic heart disease need to be treated with anti-arrhythmic drugs while treating the primary disease; this can reduce ventricular premature beats and alleviate clinical symptoms, but generally cannot be cured. (Specific medication use should be carried out under the guidance of a doctor.)