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Arrhythmia vs. Tachycardia — What's the Difference?

Arrhythmia vs. Tachycardia — What's the Difference?

Difference Between Arrhythmia and Tachycardia

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Arrhythmia

Arrhythmia, also known as cardiac arrhythmia or heart arrhythmia, is a group of conditions in which the heartbeat is irregular, too fast, or too slow. The heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia, and a heart rate that is too slow – below 60 beats per minute – is called bradycardia.

Tachycardia

Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults.

Arrhythmia

An irregularity in the force or rhythm of the heartbeat
A fatal arrhythmia.

Tachycardia

A rapid heart rate, especially one above 100 beats per minute in an adult.

Arrhythmia

A condition characterized by such irregularities
Treatments for cardiac arrhythmia.
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Tachycardia

A rapid resting heart rate, especially one above 100 beats per minute.

Arrhythmia

An irregular heartbeat; a lack of a regular pulse

Tachycardia

Abnormally rapid heartbeat (over 100 beats per minute)

Arrhythmia

A disease entity involving such beats, such as atrial fibrillation, ventricular tachycardia, AV nodal reentrant tachycardia, or others.

Arrhythmia

An abnormal rate of muscle contractions in the heart

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