MEMORIZE THESE FORMULAS Flashcards Preview

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Flashcards in MEMORIZE THESE FORMULAS Deck (22):
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

What is the formula for gain?

correction/error