A 67-year-old man with diffuse atherosclerosis presents with recurrent flash pulmonary edema. Vital signs show BP 198/112 mmHg, HR 102/min, RR 24/min, and SpO2 94% on room air. Laboratory studies reveal elevated plasma renin activity, elevated aldosterone levels, serum potassium 3.1 mEq/L, and arterial pH 7.48. Chest X-ray shows bilateral pulmonary edema. He denies recent medication changes. Which of the following is the most likely underlying cause?
- A)SIADH
- B)Pituitary ACTH adenoma
- C)Renal artery stenosisGABARITO
- D)Aldosterone producing adrenal adenoma
- E)Addison disease
Explicação
Renal artery stenosis decreases renal perfusion pressure, activating the RAAS and causing secondary hyperaldosteronism. Both renin and aldosterone are elevated. Ver explicação completa e trilha adaptativa →