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CORRELATION BETWEEN OXYGEN SATURATION OF BLOOD AND FRONTAL TEMPERATURE IN SCREENING FOR COVID-19 IN A TERTIARY HEALTH CARE CENTRE

As the COVID19 cases with new variants are on the rise, methods to screen individuals before entering a hospital or public
areas have become pivotal for the control of its spread. For these cases noncontact frontal temperature readings by infrared
thermometers are widely used in many places. But the accuracy and reliability of these are questionable due to the environmental interractions,
which were corrected by the use of pulse oximeters. Pulse oximeters transcutaneously measure the functional oxygen saturation of arterial blood
(PaO2). This is simply a reection of oxygen saturation curve. In patients with a baseline SO2 of 91% at body temperature of 370C, an increase in
body temperature to 400C is anticipated to cause a 5% decrease in SO21. This decrease has major potential implication concerning diagnosis.