Case Presentation: A 31‐year‐old Mexican male migrant worker was admitted with 7 months of gradually worsening cough, hemoptysis, night sweats, fevers, and weight loss. Physical exam revealed bilateral upper‐lobe wheezing and rhonchi. Chest x‐ray showed bilateral upper‐lobe infiltrates. Chest CT confirmed upper‐lobe consolidation with hilar adenopathy. A complete blood count revealed leukocytosis of 19,000 and [...]

Case Presentation: A previously healthy 86‐year‐old white woman presented to the hospital with complaints of left leg swelling and pain of 4 days’ duration. On examination, the left leg was significantly swollen compared with the right leg. The left leg was swollen, nontender, and warm to touch. A venous Doppler showed extensive deep vein thrombosis [...]

Case Presentation: A 62‐year‐old man was found unresponsive with a stab wound to the posterior chest wall 2 weeks prior to admission and presented to our hospital with a full‐thickness wound on the infrascapular region. His medical history was significant for cirrhosis, ischemic cerebral infarct, and seizure disorder. During the third week of hospital admission, [...]

Case Presentation: A 55‐year‐old white man without a significant medical history presented to the emergency department (ED) with acute onset of lightheadedness, confusion, and speech difficulty for 2 hours’ duration. Although he was hypotensive, peripheral pulses were equal. The neurological exam was positive for expressive aphasia. A computerized tomography scan of the head ruled out [...]

Case Presentation: A 61‐year‐old white man with significant history of hypertension was brought to the emergency department with sudden onset shortness of breath, epigastric pain, diaphoresis, and light‐headedness for 30 minutes. Examination was positive for hypertension (201/121 mm Hg), tachycardia, and tachypnea. Blood work revealed anion‐gap metabolic acidosis, respiratory acidosis with hypoxemia, and lactic acidosis. The [...]

Case Presentation: A 46‐year‐old man presented with a 1‐week history of bilateral lower facial nerve paralysis and 3 weeks of fever, headache, mild transaminitis, and hepatosplenomegaly. Illness began with acute onset of fever (103°F), headache, chills, and night sweats followed by generalized joint swelling and pain and a dry cough 24 hours (day 1) after [...]

Case Presentation: A 64‐year‐old woman presented with diarrhea, 100‐pound weight loss, and occasional abdominal discomfort ongoing for 6 months prior to presentation. She endorsed profuse watery, green, foul‐smelling diarrhea as frequently as 6–8 times per day, diffuse cramping abdominal discomfort, and worsened symptoms with oral intake. She had been hospitalized 5 times over the preceding [...]

Case Presentation: Case 1 is a 58‐year‐old man presenting with obtundation, fatigue, polydipsia, and polyuria of 3 weeks’ duration. Labs showed calcium (Ca) 15 mg/dL, creatinine (Cr) 1.78 mg/dL, and normal phosphorus, magnesium, SPEP, and UPEP. Intact PTH and PTH‐related peptide were undetectable; 25‐hydroxyvitamin D 1220 ng/mL (normal, 30–100 ng/mL), 1,25‐dihydroxyvitamin D 153 pg/mL (normal, 15–75 pg/mL), 24‐hour urine [...]

Case Presentation: A 61‐year‐old woman presented to the emergency department with a painful, nonpruritic rash over the palms of the hands, elbows, face, and behind the ears for 1 week. Associated symptoms included weakness and shooting pain in the left lower extremity. She noted progressive worsening of the presenting symptoms after completion of prednisone taper [...]

Case Presentation: A 13‐year‐old girl with no medical history was admitted with a 1‐month history of intermittent fever, 20‐pound weight loss, fatigue, dry cough, and 2 months of left neck mass, initially painful but now painless. She had no recent travel, no sick contacts, no tuberculosis (TB) exposure. She was followed in our outpatient clinic, [...]