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10
1
No abnormal waveforms detected (average HR = 51
–
99 bpm)
2
Tachycardia suspected (average HR = 100
–
129 bpm). Relax, stay still and record again with cable
electrodes. Please consult a doctor if you have chest pain or discomfort.
3
Tachycardia suspected (average HR
≥
130 bpm). Relax, stay still and record again with cable
electrodes. Please consult a doctor if you have chest pain or discomfort.
4
Bradycardia suspected (average HR = 41
–
50 bpm). Relax, stay still and record again with cable
electrodes. Please consult a doctor if you have chest pain or discomfort.
5
Bradycardia suspected (average HR
≤
40 bpm). Relax, stay still and record again with cable electrodes.
Please consult a doctor if you have chest pain or discomfort.
6
Premature ventricular contractions suspected. Relax, stay still and record again with cable electrodes.
Please consult a doctor if you have chest pain or discomfort.
7
Arrythmia suspected. Relax, stay still and record again with cable electrodes. Please consult a doctor if
you have chest pain or discomfort.
8
Too much noise or signal is too weak. Unable to analyze. Please operate finger electrodes according to
the instruction manual, or relax, stay still and recheck with cable electrodes.
Note: “No abnormal waveforms detected” indicates that no abnormalities are found of the issues this
device is designed to detect.
Calculation of heart rate (HR):
Real-time HR:
HR =
60
RR Interval
Average HR:
Mean HRn =
𝐻𝑅𝑠
𝑛−6
+ ⋯ + 𝐻𝑅𝑠
𝑛
7