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Gitelman Syndrome.

Qurat Ul Ain Mustafa1, Zujaja Hina Haroon1, Aamir Ijaz1

  • 1Department of Chemical Pathology and Endocrinology, Armed Forces Institute of Pathology, Rawalpindi.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|March 18, 2017
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Summary
This summary is machine-generated.

Gitelman syndrome (GS), a rare inherited kidney disease, can present with severe fatigue and electrolyte imbalances. Early diagnosis and supplementation are key to managing this condition.

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Area of Science:

  • Nephrology
  • Genetics
  • Internal Medicine

Background:

  • Gitelman syndrome (GS) is the most common inherited renal tubulointerstitial disease, typically presenting with mild or asymptomatic electrolyte disturbances.
  • This report details a rare, enigmatic presentation of GS in a young adult male.

Observation:

  • The patient experienced severe episodic fatigue, palpitations, salt craving, polydipsia, and polyuria.
  • Key laboratory findings included hypokalemia (2.7 mmol/L), hypomagnesemia (0.69 mmol/L), metabolic alkalosis, and elevated urine potassium excretion.
  • Secondary hyperreninemic hyperaldosteronism was evident with high plasma renin and aldosterone levels.

Findings:

  • Despite the severe symptoms, the patient's presentation was initially a clinical enigma.
  • Diagnosis of Gitelman syndrome was confirmed through characteristic electrolyte and hormonal profiles.
  • The patient showed significant improvement with potassium and magnesium supplementation, spironolactone, and increased salt intake.

Implications:

  • This case highlights the importance of considering rare genetic disorders like Gitelman syndrome in the differential diagnosis of persistent hypokalemia.
  • Prompt recognition and management can significantly improve patient quality of life and prevent complications.
  • Revisiting the clinical approach to hypokalemia is crucial for identifying and treating less common conditions effectively.