1. SARS Co V2 positivity to the nasal swab by RTPCR <br/ > 2. Presence of radiological findings of pneumonia assessed by chest radiography and HRCT <br/ > 3. Patients with eGFR 15-30 ml/min <br/ > 4. PaO2/ FiO2 100-300 mmHg at ABG

1. SARS Co V2 positivity to the nasal swab by RTPCR <br/ > 2. Presence of radiological findings of pneumonia assessed by chest radiography and HRCT <br/ > 3. Patients with eGFR 15-30 ml/min <br/ > 4. PaO2/ FiO2 100-300 mmHg at ABG