Clinical Features of Various Pneumonias
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þ Pneumonia with Bullous Myringitis:
 - Bullae on the tympanic membrane (bullous myringitis) is highly
   suggestive of infection with Mycoplasma pneumoniae in a patient
   with pneumonia.
 - But also found in other kinds of otitis (staph, H. flu).

þ Pneumonia in elderly patient, severely toxic, high fever, headache,
  myalgias, severe weakness, malaise, and watery diarrhea:
 - Legionella.

þ Pneumonia in a patient who is recovering from a viral infection and presents
  with a pneumonia complicated by a pulmonary abscess and a pneumothorax:
 - Staph

þ Pneumonia in a kid who has a rash:
 - Mycoplasma pneumoniae often causes a concomitant rash.  This is often an
   erythematous maculopapular rash, primarily on the trunk.  However, the
   patient may also present with Erythema multiforme or Stevens-Johnson
   syndrome.  Reference:  Tintinalli 3rd ed. p 506

þ Pleuritic Chest Pain:
 - S. pneumoniae causes pleuritic chest pain in 70% of patients and
 - K. pneumoniae causes pleuritic chest pain in 80% of patients, while
 - pleuritic chest pain is only seen occasionally in those infected with
   H. influenzae.
   Ref: Tintinalli 3rd ed. p 265