Health LibraryTests & ProceduresECG (Electrocardiogram): The Basic Heart Test
Tests & Procedures

ECG (Electrocardiogram): The Basic Heart Test

A 5-minute test that can save a life.

Medically reviewed
Updated 2026

What it measures

The electrical activity of your heart — useful for rhythm problems, heart attacks, and certain drug effects.

Limitations

A normal ECG does not rule out all heart disease. Further tests may be needed depending on symptoms.

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Educational content only

Milli's Health Library provides general educational information reviewed against peer-reviewed medical sources. It is not a diagnosis, prescription, or medical advice. Milli does not recommend medications. Always consult a licensed doctor before starting, stopping or changing any treatment.

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