Mr. Johnson, a 68-year-old male, presents with a 6-month his…

Mr. Johnson, a 68-year-old male, presents with a 6-month history of progressive resting tremor in his right hand, slowed movements, and difficulty initiating walking. His family reports that his face appears less expressive. On examination, he has cogwheel rigidity in the right arm, bradykinesia, and a shuffling gait. There is no history of exposure to antipsychotic medications.

Sarah, a 28-year-old female, presents with new-onset blurred…

Sarah, a 28-year-old female, presents with new-onset blurred vision in her right eye, fatigue, and numbness in her left leg that has lasted for three weeks. She reports that six months ago, she experienced similar numbness in her right arm that resolved spontaneously after about two weeks. MRI shows multiple periventricular white matter lesions, some of which enhance with gadolinium. Cerebrospinal fluid analysis shows oligoclonal bands.

Mr. Garcia, a 58-year-old male with a 20-year history of typ…

Mr. Garcia, a 58-year-old male with a 20-year history of type 2 diabetes mellitus and hypertension, presents for his regular checkup. Laboratory results show: eGFR 38 mL/min/1.73m², BUN 35 mg/dL, creatinine 2.1 mg/dL, K+ 5.2 mEq/L, Hgb 10.2 g/dL, and urinalysis with moderate proteinuria (300 mg/24hr). His blood pressure is 162/94 mmHg.

Marion Oglesby is a 45-year-old female with a long history o…

Marion Oglesby is a 45-year-old female with a long history of ulcerative colitis. She has been taking corticosteroid medications for several years to control her disease. Consequently, she has developed osteoporosis. Ms. Oglesby goes to the emergency department (ED) and is admitted based on her complaints of right lower quadrant abdominal pain, nausea, and vomiting of green emesis. Her vital signs are as follows: Vital Signs: Temp: 38.2C Pulse: 102 RR: 22 B/P: 102/74