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Labtron 223B / V223 Mobile Adjustable Aneroid Sphygmomanometer 6
Proper deation rate is vital for an accurate reading. The
recommended deation rate is 2-3mmHg per second, or
a drop of one to two marks on the pressure gauge with
each heartbeat. Do not keep the cuff inflated any longer
than necessary. As the cuff begins to deate, listen care-
fully with the stethoscope. Note the reading on the gauge
as soon as a faint, rhythmic tapping or thumping sound is
heard. The rst sound is the systolic pressure reading. Al-
ways check with your health care provider to ensure read-
ings are performed correctly.
Diastolic blood pressure reading: Allow the pressure to
continue dropping at the same deation rate. Note the
reading on the gauge when the last audible thumping,
swishing, or blowing sound is heard; this is the diastolic
blood pressure reading. After a few seconds have passed
and no audible thumping, swishing, or blowing sounds are
heard, deate the cuff using the air release valve complete-
ly. Remove the cuff and stethoscope from the arm.
Record the systolic and diastolic readings. Repeat the
measurement two or more times to ensure accuracy. Only
a patient’s physician is qualied to analyze blood pressure.