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Nsg Lab Values
Nursing Lab Values
| Question | Answer |
|---|---|
| Normal PT | 11-16 sec |
| Elevated PT etiology | Warfarin therapy; deficiency of coagulation factors; vitamin K deficiency; liver disease |
| Normal aPTT | 25-35 sec |
| Elevated aPTT etiology | heparin therapy; deficiency of coagulation factors; hemophilia, liver disease |
| Normal Calcium | 8.6-10.2 mg/dL |
| Elevated Calcium etiology | Acute osteoporosis, hyperparathyroidism, vitamin D intoxication, multiple myeloma |
| Decreased Calcium etiology | tumor lysis syndrome (TLS), Acute pancreatitis, hypoparathyroidism, liver disease, malabsorption syndrome, renal failure, vitamin D deficiency |
| Normal urine output | 1mL/kg/hr |
| Normal Potassium | 3.5-5.0 mEq/L |
| Elevated Potassium etiology | Addison's disease, diabetic ketosis, massive tissue destruction (e.g., burn patients), renal failure |
| Decreased Potassium etiology | hyperaldosteronism, Cushing syndrome, diarrhea (severe), diuretic therapy, gastrointestinal fistula (colitis), pyloric obstruction, starvation, vomiting |
| Normal Creatinine | 0.6-1.3 mg/dL |
| Elevated Creatinine etiology | severe renal disease (inadequate glomerular filtration) |
| WBC count normal | 4.0-11.0 × 103/μL (4,000-11,000/μL) |
| Elevated WBC count etiology | Inflammatory and infectious processes, leukemia, use of oral steroids |
| Decreased WBC count etiology | Aplastic anemia, side effects of chemotherapy and irradiation |
| Normal amylase | 30-122 U/L |
| Elevated amylase | Acute and chronic pancreatitis, mumps (salivary gland disease), perforated ulcers |
| Decreased amylase | Acute alcoholism, cirrhosis of liver, extensive destruction of pancreas |
| Normal Hematocrit (Hct) | Male: 39%-50% Female: 35%-47% |
| Elevated Hct etiology | Dehydration, high altitudes, polycythemia |
| Decreased Hct etiology | Anemia, hemorrhage, overhydration |
| Normal Hemoglobin (Hgb, Hb) | Male: 13.2-17.3 g/dL Female: 11.7-15.5 g/dL |
| Elevated Hgb etiology | COPD, high altitudes, polycythemia |
| Decreased Hgb etiology | Anemia, hemorrhage |
| Normal sodium | 135-145 mEq/L |
| Elevated sodium etiology | Dehydration, impaired renal function, primary aldosteronism, corticosteroid therapy |
| Decreased sodium etiology | Addison's disease, diabetic ketoacidosis, diuretic therapy, excessive loss from GI tract, excessive perspiration, water intoxication |
| Therapeutic range for digoxin | 0.8-2ng/mL; toxic levels >2ng/mL |
| Hyperthyroidism lab values | T3 elevated, T4 elevated, TSH decreased |
| Hypothyroidism lab values | T3 decreased, T4 decreased, TSH elevated |
| Normal Albumin | 3.5-5.0 g/dL |
| Elevated Albumin etiology | Dehydration |
| Decreased Albumin etiology | Chronic liver disease, malabsorption, malnutrition, nephrotic syndrome; acute infection, ascites, alcoholism, burns, cirrhosis |
| normal CD4 T cell count | 800-1200 cells/μL (>500 still considered “healthy” immune system) |
| Normal Blood Urea nitrogen (BUN) | 6-20 mg/dL |
| Elevated BUN etiology | Increase in protein catabolism (fever, stress), renal disease, urinary tract infection |
| Decreased BUN etiology | Malnutrition, severe liver damage |
| Normal pH | 7.35-7.45 |
| Normal PaCO2 | 48-32 mm Hg |
| Normal HCO3 | 22-26 mEq/L |
| normal neutrophil count | 4000-11,000/μL |
| Normal phosphorus | 2.4-4.4 mg/dL |
| hyperphosphatemia etiology | Healing fractures, hypoparathyroidism, renal disease, vitamin D intoxication, tumor lysis syndrome |
| hypophosphatemia etiology | malnutrition/starvation (alcoholism), antacid use, Diabetes mellitus, hyperparathyroidism, vitamin D deficiency |
| Normal Glucose level | 70-99 mg/dL (notify Dr. >250) |
| CD4 T cell count criteria for AIDS | <200 |
Created by:
camellia
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