Emergency Physicians Monthly has teamed up with the board prep pros at Rosh Review to bring you a mini board review, so that you can test yourself on a regular basis and track your progress. The following is the test – and answers – from the June edition of Emergency Physicians Monthly. Questions about the test? Talk back on Twitter @epmonthly.
QUESTION: Which of the following signs has the greatest likelihood ratio for acute otitis media?
A. Impaired mobility of the tympanic membrane
B. Red tympanic membrane
C. Retracted tympanic membrane
D. Ruptured tympanic membrane