Fibromuscular dysplasia?,”FD is a noninflammatory and nonatherosclerotic condition that presents most commonly in women age 15-50. The condition affects primarily the renal arteries and causes hypertension. Involvement of the cerebrovascular arteries (eg, carotid, vertebral) can cause symptoms of brain ischemia (eg, transient ischemic attack, amaurosis fugax, stroke) or nonspecific symptoms (eg, headache, pulsatile tinnitus, dizziness). Patients with renal artery involvement usually develop hypertension. Diagnosis is usually confirmed with noninvasive imaging (CT angiography of the abdomen or duplex U/S). FMD decreases perfusion to the kidneys
which increases both renin and aldosterone levels (secondary hyperaldosteronism).”