Urinalysis (Sample Management) PDF
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Summary
This document provides information about urinalysis, including types of specimen collection and preservation methods. It also discusses different types of analysis, such as macroscopic examination, chemical analysis, microscopic examination, and more.
Full Transcript
Standardization of Urinalysis Types of Specimen Collection First morning voiding (most concentrated) 24-hour (or timed) specimen 2 hours specimen Supra-pubic Needle Aspiration Preservation of urine samples Refrigeration: at 4 degrees Toluene: 1ml / 50ml of urine. Preserve...
Standardization of Urinalysis Types of Specimen Collection First morning voiding (most concentrated) 24-hour (or timed) specimen 2 hours specimen Supra-pubic Needle Aspiration Preservation of urine samples Refrigeration: at 4 degrees Toluene: 1ml / 50ml of urine. Preserves chemical constituents. Thymol :1% of thymol, gives false positive for proteins Acid: HCl, sulfuric acid and boric acid. Formalin: 6-8 drops of 40% formalin per 100 ml of urine. Preserves RBCs and Pus cells, gives false positive test for sugar. Types of Analysis Macroscopic Examination (physical) Chemical Analysis Microscopic Examination Microbiological Culture Cytological Examination Macroscopic Examination 1-Volume : normal (700-2500 ml) 24 hours Polyuria: >2500ml Excess intake Diabetes mellitus Oliguria:
