An 80-year-old woman is admitted from a nursing home where she has been sick with a cough and fever for two days.She is coughing up thick,rust-colored sputum.The physician prescribed penicillin,but she is not getting any better.What is her most probable diagnosis?

Question

Quizplus · Accepted Answer

Streptococcus pneumoniae is the number one cause of bacterial pneumonia,especially prevalent in the elderly as well as patients with underlying disease.The patient was getting no better because the organism was resistant to penicillin.Rust-colored sputum is a common occurrence in pneumococcal pneumonia.

An 80-Year-Old Woman Is Admitted from a Nursing Home Where