In what percentage of patients with pneumonia has no microbial ...

[bobbie]

In what percentage of patients with pneumonia has no microbial agent been isolated?
 
  a. Up to 40
  b. Up to 50
  c. Up to 60
  d. Up to 70

Question 2

A patient comes into the emergency department presenting with signs and symptoms of pneumo-nia.
 
  While taking the patient's history, it is determined that 2 months ago the patient spent 3 days in the hospital for acute angina. Since then the patient has been stable on medication. What type of pneumonia is this patient most likely to have?
  a. CAP
  b. HAP
  c. HCAP
  d. VAP

[swimkari]

Answer to Question 1

ANS: B
In most published series, no microbiological diagnosis is established in up to 50 of patients.

Answer to Question 2

ANS: C
HCAP is defined as pneumonia occurring in any patient hospitalized for 2 or more days in the past 90 days in an acute care setting or who, in the past 30 days, has resided in a long-term care or nursing facility, attended a hospital or hemodialysis clinic, or who has received intravenous antibiotics, chemotherapy, or wound care.