I. ECG cannot be displayed correctly

1. Possible reason: The lead wire or ECG cable is incompatible with the machine. Solution: Please consult the business to choose the correct model.

2. Possible reasons: The machine end or the patient side are not connected. Solution: Connect the EC cable.

3. Possible reasons: cable is not connected, polarity error Solution: contact the manufacturer to deal with it

II. Unstable ECG waveform

1. Possible reasons: The patient is shaking. Solution: Let the patient stop shaking and keep relatively still.

2. Possible reasons: There are other large machine interference next to it. Solution: Remove the interference machine.

3. Possible reason: The cable has poor anti-interference. Solution: Contact the manufacturer to deal with it.

Third, the blood pressure display is incorrect.

1. Possible reason: The machine terminal is not connected. Solution: The machine terminal is connected.

2. Possible reasons: patient jitter Solution: Let