Inclusion Criteria:  Patients presenting with COVID symptoms to hospitals. Patients >18 years old  Exclusion Criteria:  Patients without capacity to consent Pulmonary oedema secondary to decompensated cardiac, renal or liver disease at the time of admission Interstitial lung disease at the time of presentation Known lymphangitis carcinomatosis Morbidly obese patients with BMI more than 40 Patients with known pulmonary hypertension or if the clinician feels there are other reasons for pulmonary hypertension than cardiomyopathy secondary to COVID 19. Pregnant women