Background: E-cigarette or vaping-associated lung injury (EVALI) was first reported in 2019 in the United States (1-2). Reported lung findings in this disease include acute respiratory distress syndrome, acute eosinophilic pneumonia, hypersensitivity pneumonia, and giant cell interstitial pneumonitis (3-5). Considering the additional reports of diffuse alveolar hemorrhage and hemoptysis (6-11), we obtained coagulation studies prior [...]

Case Presentation: A previously healthy, 20-year-old Caucasian male presented with worsening dyspnea after being diagnosed with pneumonia a week ago, and failed outpatient treatment with azithromycin. He denied sick contacts or recent travel; he endorsed vaping nicotine and THC oil once a week socially. On presentation, he was febrile to 100.8F, tachypneic to RR of [...]

Case Presentation: An otherwise healthy 19 year old female was evaluated for acute dyspnea, hemoptysis, and throat pain after e-cigarette use with and without marijuana. She had taken oxycodone for throat pain and had received naloxone in the field for altered mentation. On arrival, she was afebrile, tachycardic, saturating 92% on 4L via nasal cannula. [...]

Case Presentation: A 17-year-old male presented with 4 days of shortness of breath, fatigue, tachypnea, chest pain, diffuse abdominal pain, and poor appetite. Labs notable for a negative COVID PCR,WBC 17, ferritin 938, lactic acid 2.2, LDH 613, CRP 40.3, procalcitonin 1.08, and THC positive. Multisystem Inflammatory Syndrome in Children (MIS-C) workup resulted negative COVID [...]