II. Causes

III. Signs: Factors that differentiate from Bacterial cause

  1. Non-productive cough
  2. Gradual Onset with prodrome (malaise and Headache)
  3. Chest XRay more impressive than exam
  4. Onset in fall or winter
  5. Wheezing more common in viral causes
  6. Low grade Temperature (<101.3 F)
  7. Conjunctivitis
    1. Adenovirus most commonly causes Conjunctivitis

IV. Labs

V. Radiology: Chest XRay

  1. Air trapping
  2. Bilateral fine, fluffy infiltrates
  3. Atelectasis

VII. Complications

  1. Risk of secondary infection

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