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

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Question: 1 / 400

What is the standard rate for the data run during the ECG procedure?

A. 50 mm/sec

B. 25 mm/sec

The standard rate for the ECG procedure is 25 mm/sec. This rate is used during the recording of an electrocardiogram to balance the resolution of the waveform and the length of the recording. At this rate, the paper moves quickly enough to allow for clear visualization of the heart's electrical activity, while also ensuring that the full duration of the heartbeats is captured adequately without losing essential detail.

While other rates, such as 50 mm/sec, may be used in certain cases to provide a more detailed view of the waveform, the standard for routine ECG procedures is generally accepted as 25 mm/sec. This standardization allows for consistency in reading and interpreting ECGs across different healthcare settings.

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C. 40 mm/sec

D. 20 mm/sec

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