Abbreviations
ARDS: Acute respiratory distress syndrome; ASE: American society of
echocardiography; AV: Aortic valve velocity; COVID-19: Coronavirus
disease 2019; EDV: End-diastolic volume; ESV: End-systolic volume; HR:
Heart rate; ICU: Intensive care unit; ICV-CI: Inferior vena cava
collapse index; IVC: Inferior vena cava;IVCmax: Maximum diameter of the
inferior vena cava; IVCmin: Minimum diameter of the inferior vena cava;
LVEDD: Left ventricular end-diastolic dimension; LVEF: Left ventricular
ejection fraction; MAP: Mean arterial pressure; PAD: Diameter of
pulmonary artery; PASP: Pulmonary arterial systolic pressure; RAD: Right
atrial diameter; RV: Right ventricular; RVD: Right ventricular diameter;
RVOT: Right ventricular outflow tract; SARS-CoV-2: SARS coronavirus 2;
SD: Standard deviation; TAPSE: Tricuspid annular plane systolic
excursion; TRPG: Tricuspid valve regurgitation pressure gradient
biggest.