Like incidence and prevalence, sensitivity and specificity are twin sons of different mothers. And there is no Fogleberg fallout here. These guys stick together. Knowing their similarities and differences is vital to understanding diagnostic testing and the associated biostatistics.
Gosh, Gram it! Why is it that every time I take a class or read an article that involves bacteria, there is an insistence on explaining whether it is gram-negative or gram-positive? Who cares? After all, you culture bacteria, perform an antibiotic sensitivity test, then prescribe the correct antibiotic. Done and done. No gram-nonsense involved Continue Reading
I certainly hope not because infection with Giardia intestinalis is both uncomfortable and embarrassing. For pets and people, diarrhea, gas, nausea and sometimes vomiting are common signs. Giardia is seen throughout the world and is maintained by asymptomatic carriers in the wild. This is where the beavers come in. I commonly make it a point Continue Reading