HTHSCI 2HH3 Lecture Notes - Lecture 6: Infection Control, Microbiology, Analyte
23 Apr 2020
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Optimizing laboratory diagnosis: select, select most appropriate specimen from the site that will detect the most likely organisms causing disease, collect, use proper method to collect the specimen. Infection control and safe practices: accurate patient id, provide essential clinical information, transport, package safely, send to laboratory promptly, store and transport at required temperatures, laboratory, reject inappropriate specimens/tests, follow technical procedures, provide accurate and clinically relevant results. Most errors occur in the early pre-analytical phase. Wrong test, order entry, patient-specimen misidentification, quality of sample allocation poor, wrong container, inappropriate storage and transport. Test ordered: must be uniquely identified, copy to physician. Penicillin allergy: for specimens such as throat swabs and vaginal/rectal swabs for group b streptococcus the lab will do additional testing if patient is known to be penicillin allergic. Anatomic location: wound/tissue from a jaw - prolonged incubation for actinomyces, knee joint vs swab of knee incision, shoulder aspirate requires longer incubation than other joints.
