Scenario : 45-year-old woman presents with chief complaint of 3-day duration of shortness of breath, cough with thick green sputum production, and fevers. Patient has history of COPD with chronic cough but states the cough has gotten much worse and is interfering with her sleep. Sputum is thicker and harder for her to expectorate. CXR reveals flattened diaphragm and increased AP diameter. Auscultation demonstrates hyper resonance and coarse rales and rhonchi throughout all lung fields.