Tag Robert A. Tessler MD

1 What is a fever? Normal core temperature varies between 36°C and 38°C. Because humans hibernate a little at night, we are cool (36°C) just before rising in the morning; after revving our engines all day, we are hot at…

1 What is hypertonic saline? Normal saline is 0.9% sodium chloride. Hypertonic saline is 7.5% sodium chloride (eight times as concentrated as normal saline). Key Points: Ion Concentrations in Crystalloid Solutions 1. One-half normal saline or 0.45% NaCl: 77 mEq…