ATA, atrial tachyarrhythmia; BMI, Body Mass Index; COPD, Chronic obstructive pulmonary disease; COVID, coronavirus disease; CRRT, continuous renal replacement therapy; FiO2, fraction of inspired oxygen; LA Dilation, left atrial dilation; LVEF, Left ventricular ejection fraction; LVIDd, Left ventricular internal diameter end diastole; MAP, Mean arterial pressure; PEEP, Positive end expiratory pressure; TAPSE, Tricuspid annular plane systolic excursion