Department of Anaesthesiology, Critical Care, Aga Khan University, Karachi, Pakistan;
Department of Biological and Biomedical Sciences, Aga Khan University, Karachi, Pakistan;
Department of Medicine, Pulmonary Criti- cal Care, Aga Khan University, Karachi, Pakistan;
Pharmacy Services, Aga Khan University, Karachi, Pakistan;
Section of Cardi- ology, Aga Khan University, Karachi, Pakistan;
Statistician Community Health sciences, Aga Khan University, Karachi, Pakistan;
ARDS; PGE1; Diastolic; Dysfunction; Nebulised; Prostacyclin; Hypoxia;