PHYScalc: Basal Metabolic Rate

Basal Metabolic Rate Calculator Gender: Male Female Weight: 70 kg Height: 170 cm Age: 30 years Basal Metabolic Rate: – kcal/day Mifflin MD, St Jeor ST, Hill LA, Scott BJ, Daugherty SA, Koh YO. A new predictive equation for resting energy expenditure in healthy individuals. Am J Clin Nutr. 1990 Feb;51(2):241-7. PMID: 2305711

Read More »

Blood Gases

I’m going to focus on Arterial blood gases here. Venous gases are close enough in well people, but beware in critical illness there is divergence between arterial and venous samples, particulary in CO2, lactate and pH. Method FiO₂ Calculator 713 x 0.21 = 150 mm Hg Differential Diagnosis HAGMA (CATMUDPILES or LTKR) NAGMA (CAGE, ABCD, […]

Read More »