Lab Normals

Question 1

MIP

maximum inspiratory pressure

Answer 1

at least -20 cmh20

Question 2

VT

spontaneous

Answer 2

> 5 ml/kg

< 3 ml/kg = emergency

Question 3

mPAP

mean pulmonary artery pressure

Answer 3

13-15 mm Hg

Question 4

Cardiac Output

C.O.

Answer 4

4-8 l/m

Question 5

VC

vital capacity

Answer 5

at least 10 ml/kg

or

> 1000ml

intubate if below

Question 6

CVP

central venous pressure

Answer 6

2-6 mm hg

Question 7

ICP

intracranial pressure

Answer 7

5-10 mm Hg

Treat if > 20 mm Hg

Question 8

FEV 1.0

flow

Answer 8

> 80% of predicted normal

Question 9

FVC

forcerd vital capacity

Answer 9

> 80% of predicted = not restrictive

<80% of predicted = restrictive

Question 10

FEV1/FVC%

flow

Answer 10

> 70% = normal

Question 11

SVC

slow vital capacity

Answer 11

> 80% of predicted = not restrictive

< 80% = restrictive

Question 12

Pulse

neonate

Answer 12

100 - 160 / min

Question 13

Qs/Qt

% shunt

Answer 13

normal: 3-5%

V/Q mismatch: , 20%

Shunt: 20% or higher

Question 14

RAW

airway resistance

Answer 14

0.6 - 2.4 cmH20/L/sec

Question 15

DLCO

lung perfusion

Answer 15

25 ml CO/min/mm Hg

Question 16

D-dimer

fibrin degradation product from blood clot getting dissolved in the body

indicates if blood clots are being actively formed somewhere in the patient’s vascular system

Good for PE and DVT diagnosis

Answer 16

208 - 318

normally undetectable

Question 17

PTT

Prothrombin Time

The time it takes for a blood clot to form

Answer 17

25-30 seconds

Question 18

PaO2 neonate

Answer 18

60-80 torr

as low as 50 torr immediately following birth

Question 19

Heart Sounds

Answer 19

S1 or S2 = normal

S3 or S4 = abnormal (get an echocardiogram)

Question 20

P/F ratio

Answer 20

Normal: 380 torr or higher

< 300 = acute lung injury

< 200 = ARDS

Question 21

Pulse

adult

Answer 21

60-100 / min

Question 22

PAP

pulmonary artery pressure

Answer 22

25/8 mm hg

Question 23

MEP

maximum expiratory pressure

Answer 23

at least 40 cm H20

Question 24

PCWP

pulmonary capillary wedge pressure

Answer 24

7-9 mm hg

Question 25

Ventilatory Failure

Answer 25

pH

Question 26

K+ serum potassium

Answer 26

3.5 -4.5 mEq/L

Question 27

Chloride Cl-

Answer 27

80-100 mEq/L

Question 28

Na + sodium

Answer 28

135-145 mEq/L

Question 29

HCT hematocrit

Answer 29

45%

Question 30

Hb Hemoglobin

Answer 30

12-16 gm/dL

Question 31

WBC white blood cell count

Answer 31

4,000 - 11,000 per cu mm

Question 32

PVR pulmonary vascular resistance

Answer 32

160-200 dynes

Question 33

SVR systemic vascular resistance

Answer 33

1400 - 1600 dynes

Question 34

Theophylline level

Answer 34

10-20 mcg/ml

Question 35

OI oxygen index

Answer 35

20 or less = normal if \> 30 use ARDSnet protocol if \> 40 may use ECMO

Question 36

C (a-v) O2 arterial venous O2 content difference

Answer 36

4 - 5 vol %

Question 37

CvO2 venous O2 content

Answer 37

14 - 16 vol %

Question 38

CaO2 arterial oxygen content

Answer 38

17 - 20 vol %

Question 39

PH2O ## Footnote water vapor pressure

Answer 39

47 mm hg

Question 40

PATM atmospheric pressure

Answer 40

760 mm hg

Question 41

BUN blood urea nitrogen

Answer 41

7-20 mg/dl

Question 42

BNP brain natriuretic peptide measures levles of a protein called BPN BPN is made by the heart and blood vessels BNP is released during heart failure High BNP = Heart Failure

Answer 42

CHF = \> 100

Question 43

Stroke Volume volume ejected by left ventricle into aorta with each contraction

Answer 43

60 - 130 ml per contraction

Question 44

Urine Output

Answer 44

40 ml / hr \< 40 = low \< 20 = oliguria \< 0.5 ml / kg = oligrua

Question 45

BMI body mass index

Answer 45

Normal = 18.5 - 25 Overweight = 25 - 30 Obese = 30+

Question 46

Ejection Fraction

Answer 46

65 - 75 %

Question 47

Troponin

Answer 47

\> 0.1 indicates an MI

Question 48

Createnine

Answer 48

0.5 - 1.3 mg/dl

Question 49

A -a DO2 ## Footnote alveolar/arterial O2 difference

Answer 49

20 - 65 torr = normal 65 - 300 torr = V/Q mismatch \> 300 = shunt (venous admixture)

Question 50

Vd/Vt deadspace / tidal volume ratio

Answer 50

20 - 40 %

Question 51

RBC red blood cell count

Answer 51

4 - 5 mill/cu mm

Question 52

Platelet Count

Answer 52

15,000 - 450,000

Question 53

HCO3- sodium bicarbonate

Answer 53

22-26 mEq / L

Question 54

PaO2 arterial oxygen

Answer 54

80 - 100 torr

Question 55

PaCO2 arterial carbon dioxide

Answer 55

35 - 45 torr

Question 56

pH blood

Answer 56

7.35 - 7.45