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The 30:15 Ratio and the Response to Standing

Purpose:

To monitor a patient's ECG during and after standing.

Specialty:

Cardiovascular Diseases

Objective:

clinical diagnosis, including family history for genetics, other testing

ICD-10:

I00-I99

Description:

Upon standing from a reclining position, there occurs a reflex tachycardia. This typically is maximal around the 15th beat after standing, followed by a reduction in heart rate. The 30:15 ratio is a measure of this reflex.

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