Flashcards in MEMORIZE THESE FORMULAS Deck (22)
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1
What is the formula for the nernst equation?
Vm = RT/ZF Log (xo/xi)
Vm=61.5 log (ko/ki)
2
What is the formula for cardiac output?
CO = HR X SV
3
What are the two formulas for MAP?
MAP = TPR x CO
MAP = DP +1/3 (SP+DP)
4
What are the two formulas for PP?
PP = SP-DP
PP = SV/C
5
What is the flow in series?
Q=Q1=Q2...
6
What is the flow in parallel?
Q=Q1+Q2+Q3...
7
What is the equation for area in a blood vessel?
A = Pi r^2
8
What is the equation for transit time?
V/Q
9
What is the total resistance in series?
R=R1+R2+R3
10
What is the total resistance in parallel?
1/R = 1/R1 +1/R2 +1/R3
11
What is the partial fraction of a gas equal to (Fi) ?
Fi = ni/nt
12
What is work equal to in the heart?
work = preload x afterload
13
What is stroke volume equal to?
EDV - ESV
14
What is ejection fraction equal to?
EF =SV/EDV
15
What is the transmural P in the lung equal to?
Palv - Ppl
16
What is the transmural chest P equal to?
Ppl - Patm
17
What is total transmural P equal to?
Pt = Pc + Pl = Palv - Patm
18
What is the vital capacity equal to?
Vc = IRV + ERV + Vt = TLC-RV
19
What is inspiratory reserve capacity?
IRV + Vt= TLC-FRC
20
What is the n2 washout equation?
FRC = Fn2 sp x (Vsp)/(Fn2 L)
21
How do you calculate FRC in a pletysmograph?
-Pt (delta V)/ (delta P)
22
