TABLE I. Brief Summary of Cardiopulmonary Manifestation.

	Confirmed COVID-19		Suspected COVID-19
	Case 1	Case 2	Case 3	Case 4
Lung ultrasound
Disappearance of A-lines	+	+	+	+
Presence of B-lines	+	+	+	+
Irregularity of pleural line	broken	broken	indented	thickened
Subpleural consolidation	small	large	–	small
White lung	+	+	–	–
Pleural effusion	–	–	–	Mild
Score	3	3	1	2
Brief Echocardiography
Atrioventricular size and morphology	–	–	–	–
Cardiac function (LVEF %)	65	59	60	63
Volume assessment	–	–	–	–

Score 0: The pleura line is continuous and regular. A-lines (horizontal artifacts) are present.

Score 1: The pleura line is indented. B-lines (vertical artifacts) are visible.

Score 2: The pleura line is broken. Small to large consolidated areas appear with white lung.

Score 3: Dense and largely extended white lung with or without larger consolidations.

LVEF: ejection fraction of left ventricle, measured by M-mode ultrasonography.