renal hypomagnesemia 7, with or without dilated cardiomyopathy

A hypomagnesemia characterized by renal salt wasting resulting in hypomagnesemia with secondary effects such as hypokalemia or hypocalcemia that has_material_basis_in heterozygous mutation in the RRAGD gene on chromosome 6q15.

Signs and symptoms

• Hypomagnesemia
• Reduced left ventricular ejection fraction
• Elevated left ventricular end-diastolic diameter
• Nephrocalcinosis
• Dilated cardiomyopathy
• Polyuria
• Metabolic acidosis
• Hyponatremia
• Hypokalemia
• Hypocalcemia