What is ventricular fibrillation?
Sep 06, 2024
Source: Cainiu Health
Dr. Tian Hongbo
Introduction
In general, ventricular fibrillation may be caused by factors such as drug toxicity, myocarditis, hypokalemia, dilated cardiomyopathy, and coronary atherosclerotic heart disease. It is important to maintain a regular daily routine, quit smoking and avoid alcohol, follow a low-fat and easily digestible diet, engage in moderate exercise while avoiding strenuous activities, have regular follow-up examinations, take medications as prescribed, and pay attention to psychological adjustment to maintain a positive mood.
Under normal circumstances, ventricular fibrillation may be caused by factors such as drug poisoning, myocarditis, hypokalemia, dilated cardiomyopathy, or coronary atherosclerotic heart disease. If discomfort occurs, prompt medical attention is recommended. Specific analyses are as follows:
1. Drug Poisoning
Overdose of certain medications, such as digitalis toxicity, may trigger ventricular fibrillation. Immediate discontinuation of the implicated drug is necessary, along with cardiopulmonary resuscitation (CPR) and defibrillation. Antidotes such as digoxin immune fragments should be administered, and electrolyte imbalances should be corrected.
2. Myocarditis
Myocarditis is typically caused by viral infections or autoimmune reactions that damage the myocardium. It can affect the heart's electrical conduction system, increasing the susceptibility of the ventricles to abnormal electrical activity and leading to ventricular fibrillation. Symptoms may include fever, chest pain, and palpitations. Treatment under medical guidance may include medications such as ribavirin tablets, acyclovir tablets, and metoprolol tartrate sustained-release tablets.
3. Hypokalemia
Hypokalemia often results from inadequate potassium intake, excessive loss, or abnormal distribution of potassium between intracellular and extracellular compartments. Such electrolyte disturbances can alter the electrophysiological properties of myocardial cells, predisposing individuals to ventricular fibrillation. Symptoms may also include limb weakness and abdominal distension. Treatment should follow medical advice and may involve potassium chloride sustained-release tablets, methimazole tablets, or potassium citrate granules.
4. Dilated Cardiomyopathy
Dilated cardiomyopathy is commonly caused by genetic, infectious, or immune factors leading to myocardial damage. This condition may impair the electrical stability of the heart, resulting in ventricular fibrillation. Patients may also experience symptoms such as palpitations and fatigue. Under medical supervision, treatment may include valsartan capsules, furosemide tablets, and diltiazem hydrochloride tablets.
5. Coronary Atherosclerotic Heart Disease
Coronary atherosclerotic heart disease primarily arises from atherosclerosis of the coronary arteries, causing vessel narrowing or blockage, leading to myocardial ischemia and hypoxia, which may result in ventricular fibrillation. Associated symptoms may include chest pain, chest tightness, and shortness of breath. Under a doctor’s guidance, patients may use medications such as aspirin tablets, atorvastatin calcium tablets, and metoprolol tartrate sustained-release tablets.
In daily life, it is important to maintain regular作息 (sleep-wake cycles), quit smoking and avoid alcohol, adopt a low-fat and easily digestible diet, engage in moderate exercise while avoiding strenuous activities, undergo regular follow-up examinations, adhere to prescribed medications, and pay attention to psychological well-being to maintain a positive mood.
