Lab Normals Flashcards by Jeffrey Dean | Brainscape

Q

MIP

maximum inspiratory pressure

A

at least -20 cmh20

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Q

VT

spontaneous

A

> 5 ml/kg

< 3 ml/kg = emergency

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Q

mPAP

mean pulmonary artery pressure

A

13-15 mm Hg

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Q

Cardiac Output

C.O.

A

4-8 l/m

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Q

VC

vital capacity

A

at least 10 ml/kg

or

> 1000ml

intubate if below

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Q

CVP

central venous pressure

A

2-6 mm hg

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Q

ICP

intracranial pressure

A

5-10 mm Hg

Treat if > 20 mm Hg

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Q

FEV 1.0

flow

A

> 80% of predicted normal

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Q

FVC

forcerd vital capacity

A

> 80% of predicted = not restrictive

<80% of predicted = restrictive

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Q

FEV1/FVC%

flow

A

> 70% = normal

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Q

SVC

slow vital capacity

A

> 80% of predicted = not restrictive

< 80% = restrictive

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Q

Pulse

neonate

A

100 - 160 / min

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Q

Qs/Qt

% shunt

A

normal: 3-5%

V/Q mismatch: , 20%

Shunt: 20% or higher

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Q

RAW

airway resistance

A

0.6 - 2.4 cmH20/L/sec

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Q

DLCO

lung perfusion

A

25 ml CO/min/mm Hg

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Q

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

A

208 - 318

normally undetectable

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Q

PTT

Prothrombin Time

The time it takes for a blood clot to form

A

25-30 seconds

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Q

PaO2 neonate

A

60-80 torr

as low as 50 torr immediately following birth

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Q

Heart Sounds

A

S1 or S2 = normal

S3 or S4 = abnormal (get an echocardiogram)

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Q

P/F ratio

A

Normal: 380 torr or higher

< 300 = acute lung injury

< 200 = ARDS

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Q

Pulse

adult

A

60-100 / min

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Q

PAP

pulmonary artery pressure

A

25/8 mm hg

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Q

MEP

maximum expiratory pressure

A

at least 40 cm H20

Q

PCWP

pulmonary capillary wedge pressure

A

7-9 mm hg

Q

Ventilatory Failure

A

pH

Q

K+

serum potassium

A

3.5 -4.5 mEq/L

Q

Chloride

Cl-

A

80-100 mEq/L

Q

Na +

sodium

A

135-145 mEq/L

Q

HCT

hematocrit

A

45%

Q

Hb

Hemoglobin

A

12-16 gm/dL

Q

WBC

white blood cell count

A

4,000 - 11,000 per cu mm

Q

PVR

pulmonary vascular resistance

A

160-200 dynes

Q

SVR

systemic vascular resistance

A

1400 - 1600 dynes

Q

Theophylline level

A

10-20 mcg/ml

Q

OI

oxygen index

A

20 or less = normal

if > 30 use ARDSnet protocol

if > 40 may use ECMO

Q

C (a-v) O2

arterial venous O2 content difference

A

4 - 5 vol %

Q

CvO2

venous O2 content

A

14 - 16 vol %

Q

CaO2

arterial oxygen content

A

17 - 20 vol %

Q

PH2O

water vapor pressure

A

47 mm hg

Q

PATM

atmospheric pressure

A

760 mm hg

Q

BUN

blood urea nitrogen

A

7-20 mg/dl

Q

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

A

CHF = > 100

Q

Stroke Volume

volume ejected by left ventricle into aorta with each contraction

A

60 - 130 ml per contraction

Q

Urine Output

A

40 ml / hr

< 40 = low

< 20 = oliguria

< 0.5 ml / kg = oligrua

Q

BMI

body mass index

A

Normal = 18.5 - 25

Overweight = 25 - 30

Obese = 30+

Q

Ejection Fraction

A

65 - 75 %

Q

Troponin

A

> 0.1 indicates an MI

Q

Createnine

A

0.5 - 1.3 mg/dl

Q

A -a DO2

alveolar/arterial O2 difference

A

20 - 65 torr = normal

65 - 300 torr = V/Q mismatch

> 300 = shunt (venous admixture)

Q

Vd/Vt

deadspace / tidal volume ratio

A

20 - 40 %

Q

RBC

red blood cell count

A

4 - 5 mill/cu mm

Q

Platelet Count

A

15,000 - 450,000

Q

HCO3-

sodium bicarbonate

A

22-26 mEq / L

Q

PaO2

arterial oxygen

A

80 - 100 torr

Q

PaCO2

arterial carbon dioxide

A

35 - 45 torr

Q

pH

blood

A

7.35 - 7.45