Welch Allyn Spot Vital Signs Service Manual page 34

Welch Allyn, Inc. Spot Vital Signs Service Manual
Revision A
c. Clothing over the artery hinders the ability to hear and may cause inaccurate readings. Tight
clothing may cause vessel congestion and inaccurate readings.
d. This places the cuff in the best position for occluding the blood flow through the brachial artery.
e. Determines the most accurate location for assessment and approximation of systolic pressure.
f. Facilitates identification of Phase One Korotkoff sounds.
g. One of the major sources of error in auscultatory blood pressure measurement is deflating the cuff
too quickly. It is a normal operation of the Welch Allyn Spot Vital Signs to deflate at the
American Heart Association recommended 3 mmHg per second.
h. Follows AHA recommended standards.
i. Diastolic blood pressure in children is the point at which the sound becomes muffled.
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