Table 1.

Focused cardiac imaging protocol for COVID-19-positive patients

2D image	Corresponding measurements	Post-processing
Parasternal long-axis	LV wall thickness LV internal diastolic diameter
Parasternal short-axis mid
Parasternal short-axis apex
Apical four-chamber	Simpson's biplane	LV longitudinal strain
Apical two-chamber	Simpson's biplane	LV longitudinal strain
Apical long-axis		LV longitudinal strain
Apical RV-focused view		RV longitudinal strain
RV annular tissue Doppler	RV systolic tissue velocity (S′)
Tricuspid valve color Doppler	TR
Tricuspid valve CW Doppler	TR peak velocity for PASP calculation
IVC	RAP for PASP calculation

2D, Two-dimensional; CW, continuous wave; IVC, inferior vena cava; PASP, pulmonary artery systolic pressure; RAP, right atrial pressure; TR, tricuspid regurgitation.