Renewing the Oldest Vital Sign
Fever was known as a vital sign to ancient Egyptians at least 5000 years ago, using the hand as measuring instrument. Galileo invented the first thermometer 500 years ago. Carl Wunderlich, ‘Father of Clinical Thermometry,’proposed 98.6°F (37°C) as the mean normal temperature 140 years ago. Until very recently we have been taking patients’ temperatures more […]
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