<prompt> Hemorrhagic external otitis media is caused by?InfluenzaProteusStaphylococcusKlebsiella  <response>: It is characterised by the formation of hemorrhagic bullae on the tympanic membrane and deep meatus. It is probably viral in origin and seen in influenza epidemics. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 55 