Lab values

Question 1

Serum creatinine

Answer 1

Normal range 0.6 - 1.2

Question 2

What does serum creatinine indicate?

Answer 2

Kidney function

Question 3

INR

Answer 3

Therapeutic range 2 - 3

Question 4

What does INR measure?

Answer 4

Coumadin level

Question 5

The critical level of INR is?

Answer 5

Greater than 4 (high priority)

Question 6

Potassium (K+)

Answer 6

Normal range 3.5 - 5.3

Question 7

What are critical ranges of K+?

Answer 7

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

Question 8

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

Answer 8

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

Question 9

pH

Answer 9

Normal range 7.35 - 7.45

Question 10

pH below 6 is? Critical or Deadly

Answer 10

Deadly! Medical emergency
Assess pt
Call doctor stat!

Question 11

BUN

Answer 11

Normal range 8 - 25

“Hamburger BUN’s come in packages of 8, therefore BUN levels are 8 - 25.”

Question 12

What does elevated BUN level mean?

Answer 12

Dehydration

Question 13

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

Answer 13

Dehydration

Question 14

Hemoglobin (Hgb)

Answer 14

Normal range 12 - 18

Question 15

Bicarb

Answer 15

Normal range 22 - 26

“2 + 2 + 2 = 6”

Question 16

CO2

Answer 16

Normal range 35 - 45

Question 17

Hemoglobin less then 8 is? Critical or Deadly

Answer 17

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

Question 18

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

Answer 18

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

Question 19

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

Answer 19

Critical!
Assess respirations
Prepare pt for pursed lip breathing

Question 20

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

Answer 20

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

Question 21

Hematocrit

Answer 21

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).”

Question 22

Elevated hematocrit indicates what?

Answer 22

Dehydration

Question 23

Oxygen (PO2)

Answer 23

Normal range 78 - 100

Question 24

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

Answer 24

Low…Critical!
Assess pt respiration
Prepare to give O2

Question 25

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

Answer 25

HR

Question 26

Oxygen range below 70 is considered what? Critical or Deadly

Answer 26

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

Question 27

Os SAT

Answer 27

Normal range 93 - 100

Question 28

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

Answer 28

Critical Assess pt respirations Prepare to reposition pt and give O2

Question 29

BNP

Answer 29

Normal range = less than 100

Question 30

BNP is a good indicator of what?

Answer 30

CHF

Question 31

Sodium (Na+)

Answer 31

Normal range 135 - 145

Question 32

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

Answer 32

Dehydration

Question 33

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

Answer 33

Critical! | because it is a safety issue

Question 34

WBC

Answer 34

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

Question 35

low CD4 indicates what condition?

Answer 35

AIDS

Question 36

Low WBC is considered what? Critical or Deadly

Answer 36

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

Question 37

Platelets

Answer 37

No normal range

Question 38

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

Answer 38

Critical! Assess pt Prepare to put pt on bleeding precautions

Question 39

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

Answer 39

Deadly!

Question 40

RBC

Answer 40

Normal range 4 - 6 million