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Med Surg > Lab Values > Flashcards

Lab Values Flashcards

1
Q

RBC Male

A

4.71 - 5.14 million mcl

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2
Q

RBC Female

A

4.2 - 4.87 million mcl

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3
Q

WBC

A

4,500 - 11,000 cells/mcl

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4
Q

Platelets

A

150,000 - 450, 000 cells/mcl

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5
Q

Hemoglobin Male

A

13.5 - 16.5 g/dL

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6
Q

Hemoglobin Female

A

12 - 15 g/dL

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7
Q

Hematocrit Male

A

43 - 49%

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8
Q

Hematocrit Female

A

38 - 44%

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9
Q

RBC Function

A

Carry oxygen and carbon dioxide throughout the body

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10
Q

WBC Function

A

Protects the body from infection

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11
Q

Platelet Function

A

Helps body clot

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12
Q

Why draw Hematocrit?

A

Helps monitor for anemia, dehydrations and bleeding. Represents the % of RBCs as compared to the total blood volume

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13
Q

D-Dimer

A

<250 ng/ml

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14
Q

BNP (Brain Natriuretic Peptide)

A

<100 pg/nk

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15
Q

Why draw D-Dimer?

A

Detects clots such as PE, DVT

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16
Q

Why draw BNP?

A

Identify and classify pt. with CHF

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17
Q

Troponin

A

<0.4 ng/mL

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18
Q

Troponin High Sensitivity

A

<100 ng/L

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19
Q

Why draw Troponin?

A

Cardiac Protein
Marker of cardiac injury
Chronic Renal Failure can cause Troponin to increase also

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20
Q

Why draw Troponin High Sensitivity?

A

Cardiac Protein
Marker of cardiac injury
Chronic Renal Failure can cause Troponin to increase also (Same as Troponin)

21
Q

Lipase

A

0 - 160 U/L

22
Q

Why draw Lipase?

A

Used in evaluation of pancreatic disease

23
Q

Magnesium

A

1.5 - 2.5 mg/dl

24
Q

Why draw Magnesium?

A

Electrolyte monitor

25
Q

Phosphorus

A

2.5 - 4.5 mg/dl

26
Q

Why draw Phosphorus?

A

Electrolyte monitor

27
Q

Lactic Acid

A

0.5 - 2.2 mEq/L

28
Q

Why draw Lactic Acid?

A

Measurement of the amount of lactic acid in the tissues

Increases when the muscles start to breakdown such as in shock, trauma, sepsis, etc.

29
Q

Sodium

A

135 - 145 mEq/L

30
Q

Potassium

A

3.5 - 5.2 mEq/L

31
Q

Calcium

A

8.2 - 10.2 mg/dL

32
Q

BUN

A

7 - 20

33
Q

Creatinine

A

0.7 - 1.4

34
Q

PTT

A

60 - 70 sec

35
Q

PT

A

10 - 13 sec

36
Q

INR

A

0.8 - 1.2

37
Q

Why draw PTT?

A

Effectiveness of medication such as heparin for clotting of blood

38
Q

Why draw PT?

A

How long it take for blood clot

Used for warfarin

39
Q

Why draw INR?

A

How long it take for blood to form a clot

Used when pt. are taking warfarin

40
Q

Chloride

A

97 - 107 mEq/L

41
Q

Glucose

A

70 - 115 mg/dL

42
Q

Why draw Sodium?

A

Monitor fluid and electrolytes

43
Q

Why draw Potassium?

A

Electrolyte monitor

Monitor cardiac function

44
Q

Why draw Chloride?

A

Acid/Base balance

Hydration

45
Q

Why draw Glucose?

A

Measure of blood glucose

46
Q

Why draw Calcium?

A

Acid/Base balance

Hydration

47
Q

Why draw Creatinine?

A

Renal Impairment if levels are high

48
Q

Why draw BUN?

A

Indirect measurement of renal function and glomerular filtration rate. Also helps to measure liver function. High values indicate renal impairment

49
Q

Difference between aPTT and PTT?

A

aPTT uses an activator to reduce the time taken for blood clotting.
PTT operated under regular conditions for blood clotting

Med Surg (22 decks)

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