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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
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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