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Fundamentals
Laboratory Values
While lab values vary slightly according to the source, knowing an
average range for the following common lab tests will be very
helpful on to you when answering questions.
Sodium 136-145 mEq/L
Potassium 3.5-5.0
mEq/L Total Calcium
9.0-10.5 mg/dL
Magnesium 1.3-2.1
mg/dL
Phosphorus 3.0 –4.5 mg/dL
BUN 10-20 mg/dL
Creatinine 0.6 – 1.2mg/dL males, 0.5 – 1.1
mg/dL females Glucose 70 -105 mg/dL
HgbA1c <6.5%
WBC5,000-
10,000/mm3
RBC Men 4.7-6.1 million/mm3, Women 4.2-
5.4 million/mm3 Hemoglobin Men
14-18g/100 mL, Women 12-16 g/100 mL
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Hematocrit Men 42-52%,Women 37-47%
Platelet150,000-
400,000/mm3 pH
7.35-7.45
pC02 35 to45
mm Hg p02 80-
100 mmHg
HCO3 21-
26mmol/L
Normal PT = 11-12.5 sec, Normal INR = 0.7-1.8 (Therapeutic INR 2-3)
Normal PTT = 30-40 sec (Therapeutic PTT 1.5 – 2 x normal or control values)
Digoxin 0.5 to
2.0ng/mL Lithium
0.8 to 1.4 mEq/L
Dilantin 10-20
mcg/mL Theophylline
10 to 20mcg/mL
Latex Allergies:
Note that clients allergic to bananas, apricots, cherries,
grapes, kiwis, passion fruit, avocados, chestnuts, tomatoes,
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and/or peaches may experience latex allergies as well.
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Order of assessment:
I-
inspecti
on P-
palpatio
n P-
percussi
on
A-auscultation
Except with abdomen it is IAPP-inspect, auscultate, percuss and palpate.
Cane walking:
C-cane
O-
opposi
te A-
affecte
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