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NUR 308 Lab Values
| Term | Definition |
|---|---|
| PTT (partial thromboplastin time) | 60-70 seconds effectiveness of medication used to monitor heparin. Thinning of blood. The higher the number the thinner the blood |
| PT (prothrombin time) | 10-13 seconds how long it takes blood to clot. Used for warfarin monitoring. The higher the number, the thinner the blood |
| INR (international national ratio) | 0.8-1.2 how long it takes blood to form a clot, used to monitor warfarin when patients are taking this medication. The higher the number, the thinner the blood |
| Na (sodium) | 135-145 mEq/L monitor fluid and electrolytes, hydration status. Know hypo/hyper |
| K (potassium) | 3.5-5 mEq/L electrolyte, monitor cardiac function, know hypo/ hyper |
| Cl (chloride) | 97-107 mEq/L acid base balance and hydration, know hypo/hyper |
| Glucose | 70-115 mg/dL measure of blood glucose |
| Ca (calcium) | 8.2-10.2 mg/dL acid base balance and hydration, know hypo/hyper |
| Cr (creatnine) | 0.7-1.4 mg/dL renal impairment if levels are high |
| BUN (blood urea nitrogen) | 7-20 mg/dL indirect measurement of renal function and glomerular filtration rate. Also helps to measure the liver function. High values indicate renal impairment |
| RBC male (red blood cells) | 4.21-5.81 carry oxygen and carbon dioxide throughout the body |
| RBC female | 3.61-5.11 carry oxygen and carbon dioxide throughout the body |
| WBC (white blood cells) | 4,500-11,000 cells/mcl protects the body from infection |
| platelet | 150,000-450,000 cells/mcl helps the body to clot, the lower the number, the less likely the patient will be able to clot |
| hemoglobin male | 14-17.3g/dl carries oxygen throughout the body and gives blood the red color |
| hemoglobin female | 11.7-15.5g/dl carries oxygen throughout the body and gives blood the red color |
| hematocrit male | 42-52% helps to monitor for anemia, dehydration, and bleeding. Represents the percentage of RBC's as compared to the total blood volume |
| hematocrit female | 36-48% helps to monitor for anemia, dehydration, and bleeding. Represents the percentage of RBC's as compared to the total blood volume |
| d-dimer | <250ng/mL detect clots such as PE, DVT |
| BNP (brain natriuretic peptide) | <100pg/mL identify and classify patients with CHF |
| troponin | <0.4 ng/mL cardiac injury.. chronic renal failure can cause troponin to increase also |
| troponin high sensitivity | <14 ng/mL see above. you will see in practice that doctors will accept up to 100ng/ml as being normal, but you need to know 14 for exam purposes |
| lipase | 0-160 U/L used in evaluation of pancreatic disease |
| magnesium | 1.6-2.2 mg/dL electrolyte monitor, know hyper/hypo |
| phosphorus | 2.5-4.5 mg/dL electrolyte monitor, know hyper/hypo |
| lactic acid | 0.5-2.2 mEq/L measurement of the amount of lactic acid in tissues. Increases when the muscles start to breakdown such as in shock, trauma, sepsis, etc |
Created by:
ett0005
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