VM15 User Manual NIBP Monitoring
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Auto compression normally works only after the user resets in case that the auto measuring
mode is off.
WARNING: No external pressure is allowed during NIBP measurement. Incorrect measured
value may occur if there is any external pressure.
WARNING: Pulse rate from NIBP measurement may be different the pulse rate from ECG
measurement because NIBP measures the real peripheral pulse and NIBP does not measure
the electronic sign of heart and miocardia.
The difference may be caused by the reasons that peripheral pulse may not occur and the
peripheral perfusion is weak.
The measured values of blood pressure and pulse rate may be unstable if the pulse amplitude
is broad (rotation pulse rate, atrial fibrillation, artificial respirator with fast circle). Check with
alternative methods.
CAUTION: Incorrect measured value may occur in case of the following cases.
I. The unskilled measurement: 1. Not-proper size of Cuff, 2. Not-proper tightness, 3.
Different level with heart
II. Leakage in Cuff or Hose
III. Cramp or long-measuring time.
IV. Cardiac arrhythmia: Incorrect measured value or failure may occur to the arrhythmia,
irregular heartbeat.
V. Pacemaker: Measuring failure may occur if the patient has the pacemaker.
VI. Change of Pressure: When the blood pressure changes suddenly during the process,
incorrect measurement or failure may occur.
VII. Abnormal Heartbeat: lower than 40bpm or higher than 300bpm
VIII. Obesity: The fat layer may buffer the signal from artery vessel. Correctness is lower
than the normal case.
IX. When artificially controlling circulatory system with Ventricular fibrillation or
cardiopulmonary, the number of Heartbeat or pulse wave may not be displayed.
X. The wave may change severely if the number of heartbeat or blood pressure are
changed.
CAUTION: VM15 keep the display of NIBP measured value until next measurement begins
in case of automatic measurement.
If the status of the patient changes during NIBP measurement, VM15 may not recognize the
change or may not send the Alarm.
CAUTION: If the patient moves much, the correct measured value may not be obtained. Any
movement of the patient effect the measured value.
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