Mech Vent Test 2

Front 1

CPP range

Back 1

60 -100

Front 2

ICP RANGE

Back 2

0- 10

Front 3

V02 measures what?

Back 3

Oxygen consumption

Front 4

What is a normal V02?

Back 4

250ml/min

Front 5

What increases V02?

Back 5

Stress , anxiety, temperature

Front 6

Hi w do you calculate V02?

Back 6

V02= C.O. - Cv02

Front 7

What does the (Pa02/ PA02) gradient identify?

Back 7

Arterial vs alveolar 02. Helps identify intrapulmonary shunting.

Front 8

What does the Pa02/Fi02 ratio measure?

Back 8

Measures lung function of critual patients. Arterial oxygen change for Fi02 change

Front 9

What does D02 measure?

Back 9

Delivery of 02 to the tissues

Front 10

How do you calculate D02?

Back 10

C.0. x Ca02 x 10= D02

Front 11

What does the 02ER measure ?

Back 11

The extraction ratio (V02) to 02 delivery (D02)

Front 12

What does the Oxygen index measure?

Back 12

The severity of respiratory imparment.

Front 13

How do you calculate the Oxygen Index?

Back 13

OI = Fi02 x MAP x100 / Pa02

Front 14

How do you calculate Pi02?

Back 14

Pi02= Fi02 x (760-47)

Front 15

How do you calculate PA02 for an Fi02 less than 60%

Back 15

PA02= Pi02-PaC02(1.2)

Front 16

How do you calculate a PA02 for an Fi02 greater than 60%

Back 16

PAO2= Pi02-PaC02

Front 17

What is a normal P/F ratio?

Back 17

> 350-380

Front 18

What does a P/F ratio of 200-300 indicate?

Back 18

V/Q mismatch/ mild ARDS

Front 19

What does a P/F ratio of 100-200 indicate?

Back 19

Some shunting/ moderate ARDS

Front 20

What does a P/F ratio of < 100 indicate?

Back 20

Refractory hypoxemia, severe shunting/ ARDS

Front 21

How do you calculate A-a gradient?

Back 21

P(A-a) x 02

Front 22

What would be an abnormal A-a gradient on room air?

Back 22

> 5-10 torr

Front 23

What would be an abnormal A-a gradient on 100% Fi02?

Back 23

>25 -65 torr

Front 24

What would an A-a gradient of > 300 torr on 100% Fi02 indicate?

Back 24

Severe shunting

Front 25

What would an A-a gradient of > 300 torr on 100% Fi02 indicate?

Back 25

Severe shunting

Front 26

How do you calculate a/A ratio?

Back 26

Pa02/PA02

Front 27

What is a normal a/A ratio?

Back 27

>0.75

Front 28

What does an a/A gradient of 0.35-0.75 indicate?

Back 28

Hypoxemia, likely due to V/Q mismatch.

Front 29

What does an a/A gradient of <.35 indicate?

Back 29

Hypoxemia due to shunting

Front 30

How do you calculate 0I?

Back 30

Fi02 x MAP x 100

Pa02

Front 31

What is a normal OI ?

Back 31

Less than 5-8

Front 32

What does an IO of >8 with a P/F ratio of <200 indicate?

Back 32

Moderate to severe RDS

Front 33

How do you calculate VD/VT ratio?

Back 33

PaC02-PEC02

PaC02

Front 34

What is a normal Pa02 Range?

Back 34

60-100

Front 35

How do you calculate Risbi score ?

Back 35

RR / Vt in liters

Example, Someone is breathing a min ventilation of 11 liters. So 11 liters / rr of 20 = .55 L

Front 36

What RISBI score would signal it’s ok to extubate?

Back 36

<105

Front 37

What is a normal NIF?

Back 37

> -60

Front 38

What vital capacity would you want to extubate?

Back 38

> 15ml/ kg

Front 39

What is the normal range for a mixed venous 02? (Pv02)

Back 39

38 to 42 torr

Front 40

What is the normal range for Sv02?

Back 40

68-77 %

Front 41

What is the normal range for Cv02?

Back 41

14-16 ml/dl

Front 42

What are some major causes of hypoxemia ?

Back 42

Hypoventilation

V/Q inequality

Intrapulmonary shunting

Front 43

What are 2 types of HD monitoring catheters ?

Back 43

PA( swan)

Central line triple lumen

Front 44

What is a normal blood pressure?

Back 44

120/80

Front 45

What is a normal systolic range ?

Back 45

90-120

Front 46

What is a normal diastolic range?

Back 46

60-80

Front 47

What is a normal MABP range?

Back 47

70- 105

Front 48

What is average MABP?

Back 48

90

Front 49

What does the CVP indirectly measure ?

Back 49

Right atrial pressure (RAP)

Front 50

What is the CVP range ?

Back 50

2-6 mmhg with a mean of 4

Front 51

What is a normal PAP?

Back 51

25/10

Front 52

What is the systolic PAP range ?

Back 52

15-30

Front 53

What is the diastolic PAP range?

Back 53

8-15

Front 54

What is the MPAP range ?

Back 54

9-18. With 15 in the middle

Front 55

What does the PCWP indirectly measure ?

Back 55

Left atrial pressure (LAP)

Front 56

What is a normal PCWP range?

Back 56

6-12,. Mean of 10

Front 57

List what will happen if PAP increase .

Back 57

Increased RV contraction

Hypervolemia

Pulmonary embolism

Left ventricular failure

Vasoconstriction

Hypoxemia ( e.g. ARDS/ COPD)

Front 58

List what will happen if PAP is decreased.

Back 58

RV failure

Hypovolemia

Front 59

List what will happen if PAWC/ PCWP pressures increase .

Back 59

LV failure/ cardiogenic shock

Hypovolemia

Cardiac tamponade

Pneumothorax

Front 60

List what will happen if PAWP/ PCWP pressure decreses .

Back 60

Shock other than cardiogenic

Hypovolemia

Spontaneous inspiration

Front 61

How to calculate cardiac index ? (CI)

Back 61

C.O. ÷ BSA

Front 62

How to calculate stroke volume? (SV)

Back 62

SV = C.O. ÷ HR

Front 63

What's a normal cardiac output?

Back 63

4-8L a min

Front 64

How do you calculate C.O. ?

Back 64

SV x HR

Front 65

How do you calculate CI ?

Back 65

C.O. ÷ BSA

Front 66

How do you calculate SV? And what is the normal range?

Back 66

C.O. ÷ HR. Normal range (60-130) ml / beat

Front 67

How do you calculate EF? Ejection fraction. And what is the normal percentage?

Back 67

SV÷ EDV. 55% and up is normal