Html full-text PDF Does this patient have an acute thoracic aortic dissection?
Russell Rothman; Thomas Owens; David.
Although recent textbooks suggest that the scratch test should be abandoned, we believe that the evidence base is still scanty and not sufficiently robust to rule out the usefulness of this maneuver.
Simel; Paul Moayyedi jama.Figure shows the agreement between the 2 raters for the 18 subjects examined in duplicate.This figure indicates that, on average, the raters underestimate the distance from the RCM to the liver edge by about.4 centimeters compared to USG.Found a reliability coefficient.68.Html full-text PDF Is this patient hypovolemic?We speculate that the bias would have been greater without this negative control given that a handful of measures (n 5) were given a value of 0 10.0 7 logic pro xskey crack because the measured liver span below the RCM was ascribed to skin transmission.Full text PDF Does This Patient With Palpitations Have a Cardiac Arrhythmia?We find very good reproducibility between raters as well as sufficient validity compared to USG to make it useful in the physical exam armamentarium.AS Detsky. .CA D'Arcy. .A linear regression indicates that BMI does significantly affect the difference between raters and the USG, with each unit increase in BMI increasing the discrepancy.25cm (p0.002).Boone; George Tomlinson; Allan.
Canadian Medical Association Journal.