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Table 2 Investigations carried out on patients

From: The use of capnometry to predict arterial partial pressure of CO2 in non-intubated breathless patients in the emergency department

Investigations

Number of patients

Percentage (%)

Arterial blood gas (ABG)

150

100

Electrocardiogram(ECG)

148

98.7

Blood tests

135

90

Chest radiograph(CXR)

146

97

Abdominal ultrasound

18

12

Echocardiography(ECHO)

58

39

Abdominal radiograph(AXR)

13

8.7

Urine analysis(UFEME)

34

23