A&D TM-2657P Instruction Manual page 15

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 (
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
.
5
Beat
Beat Beat
) frequently.
Beat