A-9 
ST Low 
-2.0 mV to (high limit - 0.2 mV)
-2.0 mV to 2.0 mV 
 
 
A.7.2 Resp
Technique Trans-thoracic impedance 
Lead  Options are lead I and II. The default is lead II. 
Respiration excitation 
waveform 
<300 μA RMS, 64 kHz (±10%) 
Baseline impedance range  200 to 2500 (using an ECG cable with 1k resistance) 
Bandwidth  0.2 to 2.5 Hz (-3 dB) 
Sweep speed 
3 mm/s, 6.25 mm/s, 12.5 mm/s, 25 mm/s, or 50 mm/s 
Accuracy: ±5% 
Respiration Rate 
Measurement range   
Adult:  
Pediatric, neonate: 
0 to 120 rpm 
0 to 150 rpm 
Resolution 1 rpm 
Accuracy 
7 to 150 rpm:   
0 to 6 rpm:   
±2 rpm or ±2%, whichever is greater 
Not specified. 
Apnea alarm time  10 s, 15 s, 20 s, 25 s, 30 s, 35 s, 40 s 
Alarm limit  Range (rpm)  Step (rpm) 
RR High   
Adult, pediatric: 
Neonate:  
(low limit + 2) to 100
(low limit + 2) to 150
1 
RR Low  0 to (high limit – 2)