Equations Flashcards
1
Q
Units of alcohol
A
% strength x ml / 1000
1 bottle wine = 9.8
Glass wine medium and pint beer = 2.3
2
Q
BMI
A
mass (kg) / height (m) squared
3
Q
MAP using pulse pressure
A
DBP + 1/3PP
4
Q
Heart rate from ECG
A
300 / large squares
5
Q
P-R interval calc
A
40 x small squares = answer in ms
6
Q
QRS duration calc
A
40 x small squares = answer in ms
7
Q
Cardiac output
A
HR x SV
8
Q
Ejection fraction
A
SV/EDV
9
Q
Peripheral motor conduction time (PMCT)
A
(M latency + F latency - 1) / 2
-1 for action potentials arriving at lower motor neuron cell body to turn around
10
Q
Central motor conduction time
A
TMCT - PMCT
11
Q
anion gap calculation
A
(sodium + potassium) - (chloride + bicarb)
12
Q
Henderson-Hesselbach equation
A
[H+]= (24 x PCO2)/([HCO3-])
