Test 1 Equations/ Values to know

Question 1

Delta P

Answer 1

Delta P= BF x SVR

Question 2

Systemic Vascular Resistance (cgs)

Answer 2

SVR= (MAP -CVP)/ CO x80 (cgs)

Question 3

SVR (PRU)

Answer 3

(100-0)/ 100= 1 PRU

Question 4

Peripheral Vascular Resistance (cgs)

Answer 4

PVR= (PAP - PAWP)/ CO x80 (cgs)

Question 5

What does cgs stand for?

Answer 5

Dynes x sec/ cm^3

Question 6

PVR (PRU)

Answer 6

PVR= (16-2)/ 100= 0.14PRU

Question 7

1 PRU= ______ cgs

Answer 7

1333

Question 8

Reynolds equation:

Answer 8

(velocity x diameter x density)/ viscosity

Question 9

At what value is turbulent flow predicted?

Answer 9

> 2000

Question 10

Total Peripheral Resistance

Answer 10

TPR = (MAP - RAP) / CO

Question 11

Resistance to Venous Return

Answer 11

RVR = (PSF - RAP) / CO

Question 12

Renal Blood Flow

Answer 12

RBF = RPF / (1-HCT)

Question 13

Ejection Fraction

Answer 13

EF= SV/EDV

Or

EF= (EDV-ESV) / EDV

Question 14

Pulse pressure

Answer 14

Systolic - Diastolic

Question 15

Mean arterial pressure

Answer 15

Diastolic + 1/3(systolic - diastolic)

Question 16

FLow

Answer 16

Diameter ^4

Question 17

Vascular Conductance

Answer 17

1/ vascular resistance

Question 18

Compliance

Answer 18

(Change in volume) / (Change in pressure)

Question 19

Distensibility

Answer 19

(Change in volume) / (Change in pressure x Original volume)

Question 20

Cardiac Index

Answer 20

CO / Surface Area

Question 21

Normal Surface area for 70kg adult

Answer 21

1.7 m^2