Leonard Patient care Flashcards
Pathologic evaluation: fluids
blood, urine, CSF
Pathologic evaluation: tissues
biopsy
Preanalytic errors
age, gender, prepration, storage, transport – human errors (most)
Threshold to Diagnosis
Normal - low or undetectable – +/- - CK-MB
Post-analytic
Delay in time to enter results, incorrect data entry (in between)
Therapeutic drug reference age
minimize risk, max benefit
Analytic errors
use of instrument, reagents, blood samples (least)
Based on pretest probability when should you not order an additional testing
Low pretest probability when there is littel suspician that the result could be positive
Pathologic evaluation: cells
Cytology - FNA, Papsmear, exfoliative cytology
Self Comparison
Tumor markers, monitor, treatment efficacy
Prognosis/Desired
Reference range of knoweldege of what is healthy, no 95% like total cholesterol
Pathologic evaluation: Organ
surgical
Reference group method
range of central 95% as normal