Lab Values

Question 1

Sodium

Answer 1

Na+ 135-145

Question 2

Potassium

Answer 2

K+ 3.5-5.0

Question 3

Calcium

Answer 3

Ca++ 8.9-10.0

Question 4

Magnesium

Answer 4

Mg+ 1.3 to 2.1 mEq/L

Question 5

Phosphate

Answer 5

P+ 2.8-4.5 mg/dL

Question 6

Hemoglobin

Answer 6

Hgb
13.8 to 17.2 g/dL male,
12.1 to 15.1 g/dL female
<7 your patient is going to heaven

Question 7

Hematocrit

Answer 7

Hct 38.3 to 48.6% men, 35.5 to 44.9% women

Question 8

aPTT

Answer 8

Normal 30-40 secs
Anticoag 60-80 secs
Critical > 70 secsor none

Question 9

PTT

Answer 9

Normal 11-30 secs
Anticoags 22-60 secs
Critical >20 secs

Question 10

INR

Answer 10

Normal: 0.8 - 1.2
Warfarin therapeutic range: 2.0 -3.0
Mechanical heart valves: 3.0 - 4.0
Critical value: >5.0

Question 11

When is aPTT indicated?

Answer 11

Heparin
Hemophilia
Clotting factor disorders
DIC

Question 12

When is an INR indicated?

Answer 12

Warfarin
Vitamin K deficienciesor excesses
Aspirin toxicity
Liver damage
DIC

Question 13

When is a PTT indicated?

Answer 13

Warfarin
Vitamin K deficiencies or excesses
Aspirin toxicity
Liver damage
DIC

Question 14

Albumin

Answer 14

3,5 - 5.0 meq/l

Question 15

Blood urea nitrogen (BUN)

Answer 15

Measures how much urea is being excreted. Measure of GFR
Normal 6 - 20 mg/dl
Critical >100mg/dl

Question 16

WBC values

Answer 16

Normal: 5,000 - 10,000 (5.0 *10^9)

Critical: <2000
> 40000

Children and are higher
Chemotherapy decreases production

Question 17

Blood glucose values - norm

Answer 17

Random: 70 -115
Fasting: < 100
GTT: < 140
A1C: 5.7

Question 18

Blood glucose- pre

Answer 18

Fasting: 100-125
GTT: 140-199
A1C: 5.7-6.4

Question 19

Blood glucose - DM

Answer 19

Random: 200+
Fasting: 126+
GTT: 200+
A1C: 6.5+