A 64yo woman presents with a 3-month history of upper abdomi…

A 64yo woman presents with a 3-month history of upper abdominal pain. She describes the discomfort as an intermittent, centrally located “burning feeling” in the upper abdomen, most often with meals and accompanied by mild nausea. Use of an OTC antacid affords partial symptom relief. She also uses naproxen sodium on a regular basis for the control of osteoarthritis pain. Her clinical presentation is consistent with:

Harold Boots is a 70 year old male, who has a history of dia…

Harold Boots is a 70 year old male, who has a history of diabetes & hypertension. He presents to you with fatigue, malaise, pruritus, & complaints of  irritability & poor concentration. His testing shows a GFR < 10 ml/min, elevated BUN, creatinine & K, & anemia. You suspect: