Table 1 Overview of ultrasound findings and biochemistry at day 0, 5 and 21

Lung ultrasound

 B-lines (no.)

24

6

0

Cardiac ultrasound

 Pericardial effusion (mm)

18

9

< 5

 Left ventricular ejection fraction^a (%)

53

53

53

 Fractional area change (%)

55

50

50

 Pulmonary artery systolic pressure (mmHg)

17

17

20

Biochemical findings

 Hemoglobin (g/dL)

9.2

9.2

12.7

 Platelets (/mm³)

99

144

248

 C-reactive protein (mg/L)

96

33

< 10