Case: 55-year-old restrained driver is reporting severe shortness of breath and right sided chest pain after a high-speed motor vehicle collision. Her respiratory rate is 26 breaths/min and her oxygen saturation is 96% on a 15-liter non-rebreather. She has decreased breath sounds on the right, epigastric tenderness, and an abdominal seatbelt sign. What is the diagnosis?
Case: A 22 year old female presents with a rash on her left arm for several days. She states she has previously had the exact same rash in the exact same location intermittently over the past 2 years. She has no systemic symptoms and has started no new prescription medications, though she has been taking ibuprofen. What is the diagnosis?
Case: An 84 year old female presents with five days of a diffuse rash. She had a seizure and was started on phenytoin 2 weeks ago. Her mouth, labia, and medial canthi are involved. There are scattered areas of desquamation comprising less than a tenth of her total body surface area. She is tachycardic and febrile. Her complete blood count differential is normal. What is the diagnosis?
Case: A 24 year old male presents with right sided lip swelling that began several hours ago. This is the second time he has had this type of swelling. His mother has also had this before. He currently has no urticaria, dyspnea, wheezing, or stridor. What is the cause of this patient’s symptoms?