Medisana CardioDock, Instruction Manual, Page: 50 / 222

3 Useful Information
12
GB
WARNING
Please ensure that the polythene packing
is kept away from the reach of children!
Risk of suffocation!
3.2 What is blood pressure?
3.3 How do you measure with CardioDock?
Blood pressure is the pressure created in the blood
vessels by each heart beat. When the heart contracts
(= systolic) and pumps blood into the arteries, it brings
about a rise in pressure. The highest value is known
as the systolic pressure and is the first value to be
measured. When the cardiac muscle relaxes to take in
fresh blood, the pressure in the arteries also falls. Once
the arteries are relaxed, a second reading is taken – the
diastolic pressure.
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The CardioDock blood pressure module, combined with
the VitaDock app, turns your iPod touch, iPad or iPhone
into an effective blood pressure device for use on the
upper arm. The pressure is read by a pressure sensor
that uses a microprocessor to evaluate the vibrations
created when the pressure cuff is pumped up and re-
leased over an artery.
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