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Arrhythmia

/əˈrɪð.mi.ə/ noun Cardiology
Board Reviewed
Reviewed: Aug 2026
Medical Definition

Any variation from the normal rate, rhythm, or conduction sequence of the cardiac heartbeat.

Detailed Medical Explanation

Arrhythmia is a key clinical concept in Cardiology.

Any variation from the normal rate, rhythm, or conduction sequence of the cardiac heartbeat.

Clinical Significance

In routine medical evaluation, understanding Arrhythmia 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 Arrhythmia, consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

Diagnosed via 12-lead ECG or Holter monitoring. Encompasses Atrial Fibrillation, Ventricular Tachycardia, and Heart Block.

Patient-Friendly Explanation

In simple terms, Arrhythmia refers to: Any variation from the normal rate, rhythm, or conduction sequence of the cardiac heartbeat.

Professional Clinical Context

Clinically, Arrhythmia is categorized under Cardiology. Primary clinical manifestations include: Any variation from the normal rate, rhythm, or conduction sequence of the cardiac heartbeat.

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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