Primary Metabolic Alkalosis - Differential Diagnosis Algorithm Volume Depleted - 2° hyperaldosteronism • Low Urine Cl-: Vomiting, NGT suction, Low Cl intake, Diuretics (late) • High Urine Cl-: Diuretics, Bartter Syndrome, Gitelman Syndrome Volume Expanded - 1° or 2° hyperaldosteronism • High PRA: Renal artery stenosis, Renin-secreting tumor • Low PRA: Adenoma, BAH, AME, GRA, Cushing's syndrome, Liddle syndrome PRA: plasma renin activity; AME: apparent mineralocorticoid excess; GRA: glucocorticoid remediable aldosteronism #Metabolic #Alkalosis #Differential #Diagnosis #Algorithm #Nephrology #Causes
