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Measuring:
- wait for 5 minutes for patient's rest,
- keep the cuff at the heart level during measuring,
- keep the air release valve in close position,
- inflate the cuff to detect the estimated Systolic pressure until the radial pulse disap
pears (Korotkoff's sounds),
- reinflate the cuff up to 30 mmHg above estimated Systolic pressure,
- release, by opening the air release valve, at a rate of 2 mmHg per heart beat and
simultaneously read the blood pressure on the manometer,
- read the SBP for phase 1 of the Korotkoff's sounds (distinct level at which the sound
first appears when the air is let out),
- read the DBP for phase V of Korotkoff's sounds (where the sounds disappear again),
- measure the pulse,
- release the air fully until the complete deflation of the cuff.
Warning: stopping bloodstream involves some risks.
Hypertension
When SBP is 140 mmHg and/or DBP is 90 mmHg.
Regular inspection and maintenance
Metrological control by a registered association
Check accuracy and air-leak proof:
- at least once every two years,
- after each maintenance or repair service.
Replacement of cuff, bladder and hand bulb:
- check air-leak proof of bladders, tubes and hand bulbs, once a year at least,
- check the cuff appearance yearly.
Cleaning and disinfection:
- manometers: wipe clean with a solution of appropriate disinfectant ; rinse with a wet
non-woven tissue. Do not immerse.
- cotton or nylon cuffs: wash in machine, water not exceeding 30-35 °C. Important:
the cuffs should be fastened during cleaning. Do not dry in machine.
- bladders and tubes: obturate the extremity of the tube with a clamp before washing
in mild soapy water or immerse in a disinfectant solution. Rinse thoroughly and dry
flat.
Caution
Take care of the manometer, especially the glass (fragile).
Do not expose to heat, sun or humidity.
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