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Explore key laboratory tests and techniques in hematology, chemistry, and microbiology, including analysis of peripheral venous blood, body fluids, cellular elements, and proteins in plasma.
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Clinical Laboratory Studies Chapter 6
Laboratory Testing • Peripheral venous blood • Body fluids or secretions • Sputum • Pleural fluid • Cerebrospinal fluid • Urine • Feces • Sweat
Hematology • Cellular Elements • CBC • Platelet count • Reticulocyte count 2. Proteins in the Plasma • PT • INR • APTT • WBC - leukocytes • RBC – erythrocytes • Platelets - thrombocytes
WBC • WBC Differential • Granulocytes • Neutrophils • Eosinophils • Basophils • Lymphocytes • Monocytes
Leukocytosis Leukopenia Neutrophilia Neutropenia Pseudoneutrophilia Pseudoneutropenia Left Shift Eosinophilia Basophilia Lymphocytosis Lymphocytopenia Monocytosis Leukemia Myeloproliferative disorders WBC Abnormalities
RBC • Normoblasts • Hematocrit • Hemoglobin • MCV • MCH • MCHC • RDW
RBC Abnormalities • Anemia • Microcytic hypochromic • Normocytic normochromic • Macrocytic • Polycythemia • Primary • Secondary • Spurious
Reticulocyte count • Sedimentation rate • Platelet count • Coagulation studies • Bleeding time • Platelet count • APTT • PT/INR
Chemistry • Electrolyte Concentrations • BUN/Creatinine • Enzymes • Glucose • Proteins • Lipids • Tumor Markers • Drug Monitoring
Sodium (Na+) Hypernatremia Hyponatremia Potassium (K-) Hyperkalemia Hypokalemia Chloride (Cl-) Hyperchloremia hypochloremia Total CO2 Anion Gap Electrolyte concentration of Sweat Electrolyte Concentrations
Renal Function • BUN • Creatinine
AST ALT ALP ACP LDH CK Myoglobin Troponin Amylase Lipase Enzymes
Glucose • Hyperglycemia • Hypoglycemia
Proteins Lipids Tumor Markers Drug Monitoring
Normal flora vs sterile areas of the body Pathogenic organisms Classification Culture and Sensitivity Sputum Collection Sputum Examination BAL Pleural Fluid Examination Microbiology
Urinalysis • Appearance • Specific gravity • pH • Protein - proteinuria • Glucose – glucosuria • Ketones • Blood - hematuria • Bilirubin • Urobilinogen • Nitrate • Sediment
Histology - Biopsy • Lung tissue • Tumors • Cytology • Fluids • Secretions • Skin Testing