Materials and Methods: This descriptive-cross-sectional study examined 1,121 patients with
covid-19 hospitalized in the intensive care unit of hospitals affiliated with Hamadan …

Background: As the blood oxygen level in patients with COVID-19, who show no symptoms
despite the highly insufficient level of oxygen in the blood, the physician should thus be …

Introduction: COVID-19 can rapidly cause lung damage and severe respiratory distress and
subsequently reduce oxygen saturation (SPO2), especially in generally ill patients, which …

ABSTRACT Background: Approximately 20% of COVID-19 patients have an arterial blood
oxygen partial pressure to fractional inspired oxygen concentration ratio (PaO2/FiO2) of less …

Arterial Oxygen Saturation and other Clinical Predictors of Survival in Patients with Covid-19:
A Review of Cases in a Tertiary Care Hospital in Nigeria. - Abstract - Europe PMC Sign in …

Background: The coronavirus-2019 (COVID-19) pandemic has increased the use of pulse
oximeters worldwide. It has become an inevitable tool in the monitoring of the disease …

Background: Determining the prognosis of the Covid-19 disease is a valuable guide for
estimating the probability of recovery, determining the type of care, estimating the required …

Background: The ratio of partial pressure of oxygen in arterial blood (PaO2) to the fraction of
inspiratory oxygen concentration (FiO2) is an indicator of pulmonary shunt fraction …

Abstract Introduction Coronavirus disease 2019 (COVID-19) emerged as a global pandemic
and resulted in a significantly high death toll. Therefore, there is an urgent need to find a …

Methods In this observational study, SpO 2 was recorded and arterial blood gas analysis
was performed among 70 COVID-19 patients presenting on room air (FiO 2= 0.21). SaO 2 …