Case Presentation: A 44-year-old African American male with a history of sarcoidosis presented with shortness of breath, dry cough, and headaches for 10 days, previously treated for sinusitis with amoxicillin and clavulanate without improvement. He is an electrician and smokes 3 packs of cigarettes per week. He denied any history of asthma, eczema, or atopy, [...]

Case Presentation: 65-year-old female with a past medical history of hypertension and colonic diverticulosis presented to emergency department with progressively worsening dyspnea for two months. This was associated with orthopnoea and wet cough. Before presentation, she completed a course of Levofloxacin and steroids in an outpatient clinic. On examination, she was hypoxic with basilar crackles [...]