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Measuring Blood Pressure

During blood pressure measurement, the sounds disappear completely at 78 mmHg. How should this point be recorded?

  • A.As the diastolic pressure
  • B.As the systolic pressure
  • C.As the pulse rate per minute
  • D.As an error requiring no charting
Correct answer

A. As the diastolic pressure

Why

Korotkoff sounds appear at the systolic level and disappear at the diastolic level as cuff pressure falls. Disappearance at 78 mmHg means the diastolic pressure is 78 mmHg.

Content outline: Basic Nursing Skills - Vital Signs: Blood Pressure · From the Basic Nursing Skills practice bank (BN-037).

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