And the host defen - Study guides, Class notes & Summaries

NR 566 Week 2 Ch 42, 43, & 45 Chapter 42: Pneumonia Etiology  PNA develops when an organism invades the lung parenchyma, and the host defenses are depressed.  Chronically ill patients of all ages are more prone to PNA Diagnosis  PNA should be considered in any patient who presents with respiratory symptoms such as cough, dyspnea, or sputum production.  Fever or abnormal breath sounds (crackles) would strengthen the suspicion for PNA  CxR- to confirm the dx of PNA ...