Table 2: Arterial Blood Gas Analysis Reports from the date of admission till discharge show improvement in patient’s hypoxaemia and degree of ARDS.

Day

Day 1

Day 6

Day 10

Day 12

O2 status

BMV

15L/min

BiPAP

FiO2 80%

BMV

10 L/min

BMV

5 L/min

pH

7.396

7.418

7.422

7.407

PCO2 (mmHg)

40.6

40.5

39

38

HCO3 (mmol/L)

24

25.5

26.2

25.1

PO2 (mmHg)

54.4

76

142

143

SPO2 (%)

87.8

100

99

99.3

PaO2/FiO2

62

127

152

238