Laboratory Data in nutrition assessment

Laboratory data in nutrition assessment

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Unformatted text preview: Evaluation of Laboratory Data in Nutrition Assessment Cinda S. Chima, MS, RD Laboratory Data and the NCP • • Used in nutrition assessment (a clinical Used sign supporting nutrition diagnosis) sign Used in Monitoring and Evaluation of Used the patient response to nutritional intervention intervention Specimen Types • • • • • • • • Serum: the fluid from blood after blood cells and Serum: clot removed clot Plasma: fluid from blood centrifuged with Plasma: anticoagulants anticoagulants Erythrocytes: red blood cells Leukocytes: white blood cells Other tissues: scrapings and biopsy samples Urine: random samples or timed collections Feces: random samples or timed collections Less common: saliva, nails, hair, sweat Interpretation of Routine Medical Laboratory Tests • • • • Clinical Chemistry Panels • Basic metabolic panel • Comprehensive metabolic panel Complete blood count Urinalysis Hydration status Clinical Chemistry Panels: Basic Metabolic Panel (BMP) Also called Chem 7 Includes • Electrolytes: Na+, K+, Cl-, HCO3 or total Electrolytes: CO2 CO2 • Glucose • Creatinine • BUN Basic Metabolic Panel Charting Shorthand Na Cl BUN BMP glucose K+ CO2 Creatinine Clinical Chemistry Panels: Comprehensive Metabolic Panel Includes Includes • BMP except CO2 • Albumin • Serum enzymes (alkaline phosphatase, AST Serum [SGOT], ALT [SGPT] [SGOT], • Total bilirubin • Total calcium Phosphorus, total cholesterol and triglycerides Phosphorus, often ordered with the CMP often Clinical Chemistry Panels: Complete Blood Count (CBC) • • • • • • • • Red blood cells Hemoglobin concentration Hematocrit Mean cell volume (MCV) Mean cell hemoglobin (MCH) Mean cell hemoglobin concentration (MCHC) White blood cell count (WBC) Differential: indicates percentages of different Differential: kinds of WBC kinds Clinical Chemistry Panels: Urinalysis Specific gravity 1.010-1.025 mg/ml pH 6-8 (normal diet) Protein 2-8 mg/dl Glucose Ketones Blood Bilirubin Not detected...
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