Certified Rhythm Analysis Technician (CRAT) Practice Exam 2025 – All-in-One Study Guide for Exam Success!

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For a 70-year-old patient with off/on chest pain, what is the target heart rate during an exercise stress test?

180 bpm

150 bpm

When determining the target heart rate for an exercise stress test, especially for a 70-year-old patient, it’s important to calculate the age-related maximum heart rate. The formula commonly used to estimate the maximum heart rate is 220 minus the person's age.

For a 70-year-old individual, this calculation would be:

220 - 70 = 150 bpm

The target heart rate during an exercise stress test is typically set at a percentage of the estimated maximum heart rate, often between 70% to 85% for achieving effective cardiovascular response while ensuring safety. Since the calculated maximum heart rate is 150 bpm, aiming for this specific rate is reasonable and aligns with guidelines that prioritize safety, particularly in older patients or those with a history of cardiovascular issues.

Choosing 150 bpm not only reflects a correct understanding of the maximum heart rate calculation but also allows the clinician to monitor the patient's response without exceeding what would be considered excessively high for their age group.

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220 bpm

160 bpm

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