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Table 1 Patients CAN features and clinical respiratory outcomes during the episode

From: Impaired hypoxic ventilatory drive induced by diabetic autonomic neuropathy, a cause of misdiagnosed severe cardiac events: brief report of two cases

  Patient 1 Patient 2 Normal
CAN    
HR to deep breathing 1.05 1.01  > 1.11
HR to standing up 1.0 1.09  > 1.12
BP drop to standing up  +   + 
Acute hypoxemia    
SaO2 (%) 77 85  > 95%
PaO2 (mmHg) 59 60 83–108
PaCO2 (mmHg) 55 37 32–45
Breath rate (/min) 12 14 12–20
Dyspnea  
Labored breathing  
Paradoxical breathing  
Cyanosis  +   
  1. CAN cardiac autonomic neuropathy, HR heart ratio, BP blood pressure, PaO2 Partial pressure of oxygen in arterial blood, PaCO2 Partial pressure of carbon dioxide in arterial blood, SaO2 Oxygen saturation on pulse oximeter