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Electrocardiogram (ECG)

/ɪˌlek.trəʊˈkɑː.di.əʊ.ɡræm/ noun Cardiology
Board Reviewed
Reviewed: Aug 2026
Medical Definition

Diagnostic surface recording of the electrical depolarization and repolarization vectors of the myocardium.

Detailed Medical Explanation

Electrocardiogram (ECG) is a key clinical concept in Cardiology.

Diagnostic surface recording of the electrical depolarization and repolarization vectors of the myocardium.

Clinical Significance

In routine medical evaluation, understanding Electrocardiogram (ECG) assists clinicians in differential diagnosis, laboratory interpretation, and patient management.

When to Consult a Physician

If you or a family member exhibit persistent symptoms or abnormal test results related to Electrocardiogram (ECG), consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

Crucial for identifying ST-Elevation Myocardial Infarction (STEMI), ischemia, and arrhythmias.

Patient-Friendly Explanation

In simple terms, Electrocardiogram (ECG) refers to: Diagnostic surface recording of the electrical depolarization and repolarization vectors of the myocardium.

Professional Clinical Context

Clinically, Electrocardiogram (ECG) is categorized under Cardiology. Primary clinical manifestations include: Diagnostic surface recording of the electrical depolarization and repolarization vectors of the myocardium.

Medical Disclaimer

This medical glossary entry is provided for health education and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding any clinical condition.

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