Internal Medicine,  Pulmonology

Aspiration Pneumonia

  • Caused by anaerobes e.g. Peptostreptococcus, Fusobacterium, Bacteroides, Prevotella
  • Risk factors include an altered level of consciousness which is often due to:
    • seizures, brain injury, dementia
    • generalized anesthesia or sedation
    • drug or alcohol intoxication
    • elderly
  • Aspiration most often occurs on the right side because the right main stem bronchus is larger and more vertical than the left
  • Symptoms can include cough, fever, dyspnea on exertion
  • Aspiration pneumonia often leads to lung abscesses