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Flashcards in Lab values Deck (40):
1

Serum creatinine

Normal range 0.6 - 1.2

2

What does serum creatinine indicate?

Kidney function

3

INR

Therapeutic range 2 - 3

4

What does INR measure?

Coumadin level

5

The critical level of INR is?

Greater than 4 (high priority)

6

Potassium (K+)

Normal range 3.5 - 5.3

7

What are critical ranges of K+?

Less than 3.5 or higher than 5.3
Low give potassium
High give D5W and reg insulin & kayexalate

8

Potassium greater than or equal to 6 is?Critical or Deadly

Deadly! **Medical emergency**
Assess pt
Give D5W and reg insulin & kayexalate
Call doctor stat!

9

pH

Normal range 7.35 - 7.45

10

pH below 6 is? Critical or Deadly

Deadly! **Medical emergency**
Assess pt
Call doctor stat!

11

BUN

Normal range 8 - 25

"Hamburger BUN's come in packages of 8, therefore BUN levels are 8 - 25."

12

What does elevated BUN level mean?

Dehydration

13

If you get an elevated blood value what answer should you pick?

Dehydration

14

Hemoglobin (Hgb)

Normal range 12 - 18

15

Bicarb

Normal range 22 - 26

"2 + 2 + 2 = 6"

16

CO2

Normal range 35 - 45

17

Hemoglobin less then 8 is? Critical or Deadly

Critical level!
Assess for bleeding
Prepare to give blood
Call doctor

18

What is the order of operation for when dealing with abnormal lab values?

1. Hold
2. Assess
3. Prepare
4. Call

19

CO2 in the 50 range is considered what?Critical or Deadly

Critical!
Assess respirations
Prepare pt for pursed lip breathing

20

CO2 in the 60 range is considered what? Critical or Deadly

Deadly! **Respiratory emergency**
Assess respirations
Prepare pt for intubation and ventilate
Call respiratory therapy first
Then call doctor

21

Hematocrit

Normal range 36 - 54

***"Easy way to remember is the range is the same as three times the range of hemoglobin... (12 x 3 = 36 & 18 x 3 = 54)."

22

Elevated hematocrit indicates what?

Dehydration

23

Oxygen (PO2)

Normal range 78 - 100

24

Oxygen range of 70 - 77 is what? Critical or Deadly

Low...Critical!
Assess pt respiration
Prepare to give O2

25

When a pt is hypoxic what vital sign is elevated first, respiration or HR?

HR

26

Oxygen range below 70 is considered what? Critical or Deadly

Deadly! **Respiratory emergency**
Assess respirations and give O2
Prepare pt for intubation and ventilate
Call respiratory therapy first
Then call doctor

27

Os SAT

Normal range 93 - 100

28

A low O2 SAT (below 93) is considered what? Critical or Deadly

Critical
Assess pt respirations
Prepare to reposition pt and give O2

29

BNP

Normal range = less than 100

30

BNP is a good indicator of what?

CHF

31

Sodium (Na+)

Normal range 135 - 145

32

If the Na+ is high what should you assess for?

Dehydration

33

If a patient has an abnormal sodium level and an altered LOC the patient's condition is considered what? Critical or Deadly

Critical!
because it is a safety issue

34

WBC

Normal range
Total = 5,000 - 11,000
ANC = greater than 500
CD4 = greater than 200

35

low CD4 indicates what condition?

AIDS

36

Low WBC is considered what? Critical or Deadly

Critical!
Assess pt for signs of infection
Prepare pt for neutropenic precautions

37

Platelets

No normal range

38

low platelets levels below 90,000 are considered what? Critical or Deadly

Critical!
Assess pt
Prepare to put pt on bleeding precautions

39

low platelets levels below 40,000 are considered what? Critical or Deadly

Deadly!

40

RBC

Normal range 4 - 6 million