Community Acquired Pneumonia - Presenting Features • History in favor of CAP: Dyspnea, Cough, particularly if productive, Fever, chills • History Against PNA: Sore throat, Rhinorrhea • Exam: Tachypnea, Tachycardia, Hypoxemia, Fever, Dullness to percussion, Decreased breath sounds, Bronchial breath sounds, Crackles, Egophony • Labs: ↑ WBC (rarely WBC when complicated by septic shock), ↑ Procalcitonin (when secondary to bacterial etiology) Criteria for Severe CAP - Severe CAP present in 1 major criterion or 3 minor criteria are met • Major criteria: Septic shock, Respiratory failure requiring mechanical ventilation • Minor criteria: RR ≥ 30 breaths/min, PaO2 / FiO2 ratio ≤ 250, Multilobar infiltrates, Confusion, Uremia (BUN ≥ 20 mg/dL), Leukopenia (WBC < 4000 cells/uL), Thrombocytopenia (platelet <100k cells/uL), Hypothermia (temp < 36° C), Hypotension responsive to IV fluids - Dr. Eric Strong @DrEricStrong - Strong Medicine https://www.youtube.com/c/EricsMedi #CAP #Community #Acquired #Pneumonia #diagnosis #signs #symptoms
