Approximately how long does one cardiac cycle last?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Approximately how long does one cardiac cycle last?

Explanation:
The duration of one cardiac cycle is tied to how fast the heart is beating. A full cycle means the heart goes from one beat to the next, and its length is the inverse of the heart rate. At rest, a typical heart rate is about seventy to eighty beats per minute, so the cycle lasts a little under a second. That nearby timing makes the common resting value the best match among usual choices. If the cycle were much shorter, the heart would be beating very fast; if much longer, the heart would be beating slowly.

The duration of one cardiac cycle is tied to how fast the heart is beating. A full cycle means the heart goes from one beat to the next, and its length is the inverse of the heart rate. At rest, a typical heart rate is about seventy to eighty beats per minute, so the cycle lasts a little under a second. That nearby timing makes the common resting value the best match among usual choices. If the cycle were much shorter, the heart would be beating very fast; if much longer, the heart would be beating slowly.

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