Certified EKG Technician (CET) Practice Exam 2025 – Comprehensive Test Prep

Question: 1 / 400

What is the purpose of the EKG machine calibration?

To enhance the clarity of heart sounds

To ensure accurate measurements and proper scaling of the EKG tracing

The purpose of EKG machine calibration is primarily to ensure accurate measurements and proper scaling of the EKG tracing. Calibration helps in standardizing the machine’s output, which is crucial for effectively diagnosing heart conditions. Each lead on the EKG machine needs to produce consistent results in terms of amplitude and timing, which can directly influence the interpretation of the heart's electrical activity. By calibrating the machine, technicians ensure that the voltage changes detected are displayed correctly, allowing healthcare providers to make informed decisions based on the data.

Correct calibration also aids in minimizing errors that may arise from inconsistent recordings, which could lead to misinterpretation of cardiac events. Therefore, maintaining proper calibration of the EKG machine is essential for accurate diagnostics and patient care.

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To increase the speed of the tracing output

To change the lead configuration

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