Discuss the complete process of measuring blood pressure.
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Answers
Answer:
Procedures. To begin blood pressure measurement, use a properly sized blood pressure cuff. The length of the cuff's bladder should be at least equal to 80% of the circumference of the upper arm. ... The first knocking sound (Korotkoff) is the subject's systolic pressure.
Sphygmomanometers
There are three types of sphygmomanometers used to measure blood pressure: mercury, aneroid, and digital.
Reading blood pressure by auscultation is considered the gold standard by the Heart, Lung and Blood Institute of the NIH.
blood pressure image
Subject
Position: supine, seated, standing.
In seated position, the subject's arm should be flexed.
The flexed elbow should be at the level of the heart.
If the subject is anxious, wait a few minutes before taking the pressure.
blood pressure image
Procedures
To begin blood pressure measurement, use a properly sized blood pressure cuff. The length of the cuff's bladder should be at least equal to 80% of the circumference of the upper arm.
Wrap the cuff around the upper arm with the cuff's lower edge one inch above the antecubital fossa.
Lightly press the stethoscope's bell over the brachial artery just below the cuff's edge. Some health care workers have difficulty using the bell in the antecubital fossa, so we suggest using the bell or the diaphragm to measure the blood pressure.
Rapidly inflate the cuff to 180mmHg. Release air from the cuff at a moderate rate (3mm/sec).
Listen with the stethoscope and simultaneously observe the sphygmomanometer. The first knocking sound (Korotkoff) is the subject's systolic pressure. When the knocking sound disappears, that is the diastolic pressure (such as 120/80).
Record the pressure in both arms and note the difference; also record the subject's position (supine), which arm was used, and the cuff size (small, standard or large adult cuff).
If the subject's pressure is elevated, measure blood pressure two additional times, waiting a few minutes between measurements.
A BLOOD PRESSURE OF 180/120mmHg OR MORE REQUIRES IMMEDIATE ATTENTION!