Tachycardia is defined as:

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Multiple Choice

Tachycardia is defined as:

Explanation:
Tachycardia means the heart is beating faster than normal at rest. In adults, a normal resting rate is about 60–100 beats per minute, so a rate above that is considered tachycardia. This term describes speed, not rhythm or presence of a beat. So the best description is a fast heart rate. The other ideas refer to a slow heart rate (bradycardia), an irregular rhythm (arrhythmia), or no heartbeat at all (asystole).

Tachycardia means the heart is beating faster than normal at rest. In adults, a normal resting rate is about 60–100 beats per minute, so a rate above that is considered tachycardia. This term describes speed, not rhythm or presence of a beat. So the best description is a fast heart rate. The other ideas refer to a slow heart rate (bradycardia), an irregular rhythm (arrhythmia), or no heartbeat at all (asystole).

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