A&D TM-2657P Instruction Manual - page 15
5
What is IHB (Irregular Heartbeat)?
The TM-2657P blood pressure monitor provides a blood
pressure and pulse rate measurement even when an
irregular heartbeat occurs. An irregular heartbeat is
defined as a heartbeat that varies by 25% from the
average of all heartbeats during the blood pressure
measurement. It is important that you are relaxed,
remain still and do not talk during measurement
.
Note
We recommend that the patient sees a doctor or clinician if the symbol (
) frequently.
When is the IHB mark printed?
The IHB mark is printed in the measurement data in the following two cases.
● When a beat varies by ±25% from the average pulse interval during measurement.
● When the arm or monitor is moved during measurement.
25% or shorter than average
Beat
Beat
Beat
Beat