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Lab Values > Labs! > Flashcards

Labs! Flashcards

1
Q

Alanine aminotransferase (ALT)

A

normal: 1-45 IU/L

used for liver function-more specific to liver than AST

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2
Q

Ammonia

A

normal: 15-45 mcg/dL

used for liver function

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3
Q

Amylase

A

10-130 IU/L

used to determine pancreas involvement

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4
Q

Aspartate aminotransferase (AST)

A

7-42 IU/L

parallels changes in ALT in liver disease

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5
Q

Bicarbonate

A

23-29 mmol/L

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6
Q

Bilirubin

A

total: .3-1 mg/dL
direct:

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7
Q

Baby bilirubin

A

critical if it gets > 15-20 mg/dL in term infants

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8
Q

Blood Urea Nitrogen (BUN)

A

5-20 less useful measure of GFR than creatinine because BUN is also related to protein metabolism.

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9
Q

C-Reactive protein (CRP)

A
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10
Q

Ammonia

A

normal: 15-45 mcg/dL

used for liver function

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11
Q

Amylase

A

10-130 IU/L

used to determine pancreas involvement

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12
Q

Aspartate aminotransferase (AST)

A

7-42 IU/L

parallels changes in ALT in liver disease

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13
Q

Cortrosyn stimulation test, 1-hour

A

used to diagnose adrenal insufficiency. cortrosyn is given IM and blood collected one hour later. normal response: serum cortisol increase >20 mcg/dL 60 min after cortrosyn given

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14
Q

Bilirubin

A

total: .3-1 mg/dL
direct:

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15
Q

Baby bilirubin

A

critical if it gets > 15-20 mg/dL in term infants

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16
Q

Blood Urea Nitrogen (BUN)

A

5-20 less useful measure of GFR than creatinine because BUN is also related to protein metabolism.

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17
Q

BUN/CR ratio

A

mean is 10 but can range from 6-20.

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18
Q

C-Reactive protein (CRP)

A
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19
Q

Metabolic Syndrome

A

waist circumference: M: >40 in (102 cm) W: >35 in (88 cm)
TG >/= 150 mg/dL
HDL: M: /= 130/85
Fasting Glucose: >/= 110 mg/dL

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20
Q

Cholesterol

A

LDL: 50-190 normal
TG:

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21
Q

Serum chloride

A

97-107 mEq/L

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22
Q

Serum cortisol

A

8: 00 a.m.-5-23 mg/dL
4: 00 p.m.-3-15

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23
Q

Cortrosyn stimulation test, 1-hour

A

used to diagnose adrenal insufficiency. cortrosyn is given IM and blood collected one hour later. normal response: serum cortisol increase >20 mcg/dL 60 min after cortrosyn given

24
Q

creatine kinase (CK)

A

25-145mU/mL

used in suspected MI or muscle disease. Heart, skeletal muscle, and brain have high levels

25
Q

serum creatinine (SCr)

A

M:

26
Q

D-Dimer

A
27
Q

glucose

A

fasting: 200 is abnormal

28
Q

Monospot

A

used for mono suspicion normal is negative

29
Q

myoglobin

A

30-90 is normal. elevated 6-12 hr after acute MI

30
Q

BNP-natriuretic peptide, Btype

A
31
Q

serum postassium

A

3.5-5

32
Q

Semen analysis

A 
volume: 2-5 mL
Sperm count: >20-40x10^6/mL
Motility: >60%
Forward migration
Morphology: >60%
collect after 48-72 hours abstinence, analyze in 1-2 hr
33
Q

Serum Sodium

A

136-145 mmol/L

34
Q

Sweat chloride

A

5-40 meq/L. Increased in CF

35
Q

TSH-Thyroid Stimulating Hormone

A

.4-4.8

increased in hypothyroidism and decreased in hyperthyroid

36
Q

Free thyroxine (FT4)

A

.8-1.7

increased in hyperthyroid

37
Q

Troponin

A
38
Q

Red Blood Cell count

A

Male: 4.73-5.49 x 10^6/uL
Female: 4.15-4.87 x 10^6/uL

39
Q

Mean Cellular Volume (MCV)

A

78-98 um^3

useful in classifying type of anemia

40
Q

Hemoglobin (Hgb)

A

Male: 14.40-16.60 gm/deciliter
Female: 12.2-14.7 gm/deciliter

41
Q

Hematocrit

A

Men: 40-54%
Female: 37-47%

42
Q

White blood cells

A

4,500 - 11,000 x cells/mm^3

43
Q

Vitamin B12

A

200-800 pg/mL

44
Q

Prothrombin Time (PT)

A

11.5-13.5 seconds

measure of the extrinsic pathway of coagulation

45
Q

Partial Thromboplastin time (aPTT)

A

27-38 seconds

measures intrinsic coagulation pathway

46
Q

Reticulocyte Count

A

0.5-1.5%

47
Q

Albumin

A

3.5-5.5 g/dL

48
Q

Erythropoietin

A

4.0-18.5 mlU/mL

49
Q

Serum Folic Acid

A

2.5-20 ng/mL

50
Q

Glucose (2 hour postprandial)

A
51
Q

Hemoglobin A1C

A

4.7-8.5%

52
Q

Iron

A

60-160 ug/dL

53
Q

Blood pH

A

7.38-7.44

54
Q

Vitamin B12

A

200-800 pg/mL

55
Q

uric acid

A

M: 3.4-8 W: 2.4-6
increase associated with increased catabolism, nucleoprotein synthesis, or decreased renal clearing of uric acid (Thiazide diuretics, renal failure)

56
Q

Ferritin

A

Male: 12-300 ng/mL
Female: 12-150 ng/mL

Lab Values (1 decks)

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