NURS305 Lecture Notes - Lecture 7: Immune System, Coagulation, Immunocompetence
Document Summary
At the end of the presentation, participants should. Be able to think critically for interpreting positive and negative test results. Interpret the laboratory result in the context of the situation. Understand what can be said about the results of laboratory tests. Understand what can not be said about the results of laboratory tests. Nothing would have led the clinician to suspect pancreatitis. Subsequent isolation of salmonella typhi in the stools. No abnormality of the pancreas in the ultrasound. You cannot interpret a test (i. e. the amylases) that was not requested according to a properly framed hypothesis. A sensitive test is able to pick up affected persons. Used when there is a penalty in missing a case. Diagnosis a dangerous but treatable condition (e. g. , tuberculosis) Used at an early stage of a diagnosis work-up. A sensitive test is most useful when negative. A sensitive test is able to pick up non-affected persons. Used when a false positive can harm a patient.