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Medical Dictionary

Understand medical language beyond a one-line definition — pronunciation, clear meaning, clinical context, related terminology and abbreviations in one place.

Try:Dyspnea Tachycardia Edema

Medical Term

Tachycardia

/ˌtækɪˈkɑːrdiə/

01 • Simple Meaning

A heart rate that is faster than the expected normal rate for the clinical situation.

02 • Medical Definition

An abnormally increased heart rate; interpretation depends on age, physiological state, rhythm and clinical context.

03 • Clinical Context

Tachycardia may be physiological or associated with conditions such as fever, pain, dehydration, anemia, arrhythmia or hemodynamic stress.

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Educational use: Definitions and clinical context in the production version should be academically reviewed and source-controlled. This dictionary supports medical education and does not replace clinical judgement, institutional protocols or professional patient care.