Patient Care Technician (PCT) AAH Practice Exam

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What does tachycardia indicate regarding heart functions?

A slow heart rate
An irregular heart rhythm
A rapid heart rate
A weak heart muscle

The correct answer is: A rapid heart rate

Tachycardia refers specifically to an abnormally rapid heart rate, typically defined as a resting heart rate of over 100 beats per minute in adults. This condition can indicate various underlying issues, such as stress, anxiety, fever, or cardiovascular problems. Recognizing tachycardia is crucial in clinical settings, as it may require further investigation to determine the cause and potential treatment. The other options refer to different heart-related conditions: a slow heart rate is bradycardia, an irregular heart rhythm could be related to arrhythmias, and a weak heart muscle pertains to conditions like cardiomyopathy. Each of these conditions has distinct implications and treatment considerations, but they do not align with the specific definition and implications of tachycardia.