english
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EN-28
Operating the unit
• Using your index finger, gently press the air
deflating switch and allow the air to escape slowly
from the cuff.
• The pressure-gauge needle moves back slowly.
You can vary the air deflation rate by adjusting
the air deflating switch. (Recommendation of the
WHO: 2-3 mmHg/second)
Now observe exactly the needle excursion on the
dial and listen out for the noises which you can
year through the stethoscope.
• Listen out for rhythmic knocking in your stetho-
scope. When the sounds stop or at the moment
of the last audible sound, read off the diastolic
blood-pressure value on the dial and make a note
of this reading too (Fig. 2).
• Press down the air deflating switch fully after tak-
ing the diastole reading. This initiates rapid defla-
tion, the switch locking into place for this purpose.
Remove the cuff after it has deflated fully.
6. Measuring blood pressure
• On hearing the first clearly thumping sound, read
off the systolic blood-pressure value on the dial
and make a note of the reading (Fig. 1).
Fig. 1
Fig. 2:
Summary of Contents for Medic
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