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 136-1
...
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
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, and/or peaches may experience latex allergies as well.
ATI RN Capstone Weekly tips
Order of assessment:
I-inspection
P-palpation
P-percussion
A-auscultation
Except with abdomen it is IAPP-inspect, auscultate, percuss and palpate.
Cane walking:
C-cane
O-opposite
A-affected
L-leg
Crutch walking:
Remember the phase “step up” when picturing a person going up stairs with crutches. The good leg
goes up first followed by the crutches and the bad leg. The opposite happens going down the
stairs….OR “up to heaven…down to hell”
Delegation:
RNs DO NOT delegate what they can EAT--evaluate, assess, teach
Helpful tool to remember Isolation Precautions:
AIRBORNE: "My Chicken Hez TB"
-Measles
-Chicken pox
-Herpes zoster
-TB
Management: neg. pressure room, private room, mask, n-95 for TB.
DROPLET: "SPIDERMAn"
-Sepsis
-Scarlet Fever
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