Which of the following best explains the finding of hyperkalemia in this patient?
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A 55-year-old man with a history of hypertension presents with fatigue and lower extremity edema. His lab results show: Which of the following best explains the finding
This patient has (elevated BUN, Cr, low urine output) with hyperkalemia and edema. The most likely mechanism for hyperkalemia in CKD is reduced aldosterone activity — either due to low renin (hyporeninemic hypoaldosteronism, common in diabetic nephropathy or hypertensive nephrosclerosis) or reduced functional renal mass impairing potassium secretion. How the Kaplan Question a Day Works A
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