Quantrill’s concern underscores the tension between doing too much versus too little.1 2 Substantial evidence shows, however, that selective imaging based on diagnostic algorithms is not only safe,3 4 but preferable, because it reduces overtesting and overtreatment. Even Anderson and colleagues’ study, where all patients had a moderate to high pretest probability of pulmonary embolism, showed no
... [Show full abstract] difference between computed tomography …