On the observation of Hypokalemia in Covid-19

On the observation of Hypokalemia in Covid-19: Hypokalemia is a low level of potassium in the blood serum. Here a survey of literature about the observation of Hypokalemia in Covid-19. In particular we consider the study published in a MedRvix preprint 'Hypokalemia and clinical implications in patients with coronavirus disease 2019 (COVID-19)'.