What causes an abnormal ECG with normal cardiac enzymes?

Jun 04, 2023 Source: Cainiu Health

Dr. Tian Hongbo

Introduction

Abnormal ECG with normal cardiac enzymes may be caused by myocarditis, valvular heart disease, coronary atherosclerotic heart disease, or other reasons, and can be improved through medication, surgery, or other methods. If symptoms of heart disease occur, prompt medical attention is necessary to undergo relevant examinations and treatment for accurate diagnosis and appropriate therapeutic planning.

Abnormal electrocardiogram (ECG) with normal myocardial enzymes may be caused by conditions such as myocarditis, valvular heart disease, or coronary atherosclerotic heart disease. These conditions can be improved through medications, surgical interventions, and other treatments.

1. Myocarditis

Myocarditis is an inflammation of the myocardium caused by viral infections, bacterial infections, or other factors. Damage to myocardial cells typically leads to abnormal ECG findings. However, in the early stages or in some mild cases, myocardial enzyme levels may remain within the normal range. Patients may take medications such as spironolactone tablets or enalapril maleate tablets under medical supervision to alleviate symptoms.

2. Valvular Heart Disease

Valvular heart disease results from structural abnormalities in the heart valves, leading to impaired cardiac function. This condition often presents with abnormal ECG results during examination, but myocardial enzyme levels usually do not rise significantly. Treatment options include valve repair (valvuloplasty) or valve replacement surgery.

3. Coronary Atherosclerotic Heart Disease

Coronary atherosclerotic heart disease is caused by myocardial ischemia due to atherosclerosis of the coronary arteries. Myocardial ischemia may lead to ECG abnormalities, while myocardial enzyme levels may still remain within the normal range. Patients may be treated with coronary artery bypass grafting (CABG).

In addition to the above causes, abnormal ECG with normal myocardial enzymes could also result from congenital heart disease, myocardial infarction, heart failure, or other conditions. If symptoms of heart disease occur, prompt medical evaluation is essential to determine the underlying cause and develop an appropriate treatment plan.

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