Labs Flashcards
PT
11-15 seconds
Warfarin
1.5-2.0 x BL
PTT
25-35 seconds
Heparin
1.5-2.5 x BL
Albumin Indication
- Assesses nutritional status
- Evaluates chronic illness
- Evaluates liver disease**
Albumin level
3.4 - 4.8 g/dl
Albumin Interpretation
- Increased= dehydration
- Decreased:
a. Malnutrition
b. Liver disease
c. Inflammation
d. Increased blood volume
e. Burns, Hemorrhage
Albumin RN Implication
- Assess nutritional status
- Monitor for edema
- Assess tissue integrity & prevent skin breakdown
- Encourage protein intake
Prealbumin Indication
- Evaluate nutritional status
2. Monitor parenteral nutrition
Prealbumin Level
12 - 42 mg/dl
Prealbumin Interpretation
- Increased in Alcoholism
a. Chronic renal failure
b. pt receiving steroids - Decreased in malnutrition
a. Tissue necrosis
b. Liver disease
c. Acute phase inflammatory response
d. Chronic illness
Prealbumin RN Implication
- Assess nutritional status
Anytime plasma glucose level Indication
Screen for diabetes
Anytime plasma glucose Level
< 200 mg/dl
Anytime plasma glucose level Interpretation
- Increased:
a. Diabetes
b. Acute stress reaction
c. Pancreatitis
d. Severe renal disease - Decreased:
a. Hypoglycemia
b. Excess insulin
c. Alcohol use
d. Liver disease
Anytime plasma glucose level RN Implication
- Assess nutritional status
- Encourage proper body wt
- Monitor blood glucose
Fasting Plasma Glucose Level Implication
Screen for diabetes
Fasting Plasma Glucose Level
70 - 100 mg/dl
Fasting Plasma Glucose Level Indication
- 100 - 126 mg/dl indicates prediabetes
2. > 126 mg/dl Indicates diabetes
Fasting Plasma Glucose Level RN Implication
- Medicate as ordered
- Encourage diet evaluation and education
- Monitor for hypoglycemia
Oral Glucose Tolerance Test Indication
Screen for diabetes
Oral Glucose Tolerance Test Level
< 200 mg/dl
Oral Glucose Tolerance Test Interpretation
> 200 mg/dl = diabetes
Oral Glucose Tolerance Test RN Implication
Encourage activity and exercise
Hemoglobin A1c Indication
Assess long - term glucose control (2 - 3 months)
Hemoglobin A1c Level
< 6.0 % decreasing
Hemoglobin A1c Interpretation
Increased in poorly controlled or uncontrolled diabetes
Hemoglobin A1c RN Implication
- Educate regarding good glycemic control delaysonset & slows progression of diabetic retinopathy, & neuropothy.
Liver Function Tests
- ALT
- AST
- ALP
- Billirubin