Useful Equations

Question 1

Baseline Maps

Answer 1

MAP = (2x diastolic + systolic / 3) X 75%
Stay within 25%

Question 2

Beach chair difference in MAPs

Answer 2

Difference between the cuff and the chair in cm X 0.74 = _____ mmHg lower than the cuff

Question 3

Delivery of Oxygen

Answer 3

DO2 = CaO2 X CO

CaO2 (arteriolar concentration of oxygen) = (Hb * sats * 1.39 (or 1.34 or 1.37 - Hufners constant)) + (PaO2 * 0.003)

CO - HR X SV