Calculations

Question 1

Tobacco Use (Pack Years)

Answer 1

of packs/day X # of years smoked

Question 2

Cerebral Perfusion Pressure (CPP)

Answer 2

CPP = MAP - ICP
MAP = Mean Arterial Pressure
ICP = Intracranial Pressure

Question 3

Estimating Heart Rate (from an ECG tracing)

Answer 3

300 / # of large boxes between R waves
or
1500 / # of small boxes between R waves