Case Presentation: A 41‐year‐old white woman with history of peripheral vascular disease presented with a syncopal episode and leg pain. She reported bilateral lower‐extremity pain for the past 5 days. Because of a history of multiple deep vein thromboses, she was on lifelong Coumadin therapy. The patient decided to stop taking Coumadin 3 weeks prior. [...]

Case Presentation: A 70‐year‐old man presented with sore throat, cough, and increasing respiratory distress. He was tachycardic and tachypneic, with a fever of 101.5°F. His breathing was labored and stridorous. He had no angio‐edema. His oropharynx was erythematous without exudate. His anterior neck was tender. Breath sounds were decreased in all lungs fields, with no [...]

Case Presentation: A 62‐year‐old man with a history of Wegener's granulomatosis presented to the emergency department with abdominal discomfort, low‐grade fever, and increasing confusion. The patient was on standard immunosuppressive therapy with cyclophosphamide, and a month prior to this admission he had had a relapse of WG and was started on rituximab; the replapse was [...]

Case Presentation: A 71‐year‐old man with history of chronic atrial fibrillation was admitted to our hospital with an acute flare of chronic obstructive pulmonary disease. On examination, in addition to signs of respiratory distress and irregular cardiac rhythm, an ulcer measuring 15 × 12 cm with a central necrotic eschar was noted in the right subscapular [...]

Case Presentation: A 40‐year‐old white woman received an intramuscular injection of medroxyprogesterone in her right deltoid. Within minutes she experienced excruciating pain in her entire right arm, mild finger paresthesias, and a mottled, reticular, livedoid appearance of the skin covering the entire deltoid area, extending onto the scapulae and triceps proximal arm. Her gynecologist recommended [...]

Case Presentation: A 51‐year‐old white woman was admitted with a 3‐day history of recurrent generalized abdominal cramping and bloating with 10–15 nonbloody watery diarrhea stools per day. She denied nausea, vomiting, fever, chills, or sweats. Her medical history was remarkable for a right hemicolectomy for diverticular disease and subsequent colostomy reversal 3 years ago. The [...]

Case Presentation: A 67‐year‐old man presented with a 2‐week history of worsening diffuse body rash. The patient had initiated oral terbinafine 250 mg daily 1 month prior for toenail onychomycosis; he denied any other new medications. Two weeks prior to presentation, he developed pustules on his chest and back. At the onset of the rash, he [...]

Case Presentation: A 47‐year‐old woman presented with a 2‐day history of lower back pain and acute onset of abdominal pain that was associated with an episode of nausea and emesis. She was afebrile with elevated blood pressure. She was tender to palpation in the epigastric region and left upper quadrant with no rebound or guarding. [...]

Case Presentation: An 82‐year‐old man presented with recurrent episodes of severe hypoglycemia requiring frequent hospitalizations at an outside facility. He was first diagnosed with hypoglycemia 4 months ago when found unconscious by his wife. These episodes occurred on average twice weekly, with blood glucose values often in the 20 mg/dL range. Following an extensive endocrine workup [...]

Case Presentation: A 78‐year‐old man with no history of lung disease presents with increasing dyspnea on exertion. Two weeks prior to presentation, the patient underwent endovascular stenting of his left femoral artery that was complicated by a methicillin‐resistant Staphylococcus aureus (MRSA) abscess at the surgical site. Therapy with daptomycin and rifampin was initiated. The patient [...]