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Hypokalaemic myopathy in alcoholism
M K Sharief1, S F Robinson, M Swash
1Department of Neurology, Royal London Hospital, UK.
Neuromuscular Disorders : NMD
|February 3, 1998
Summary
Alcohol-related muscle weakness can stem from low potassium (hypokalemia). Prompt potassium supplementation effectively treated this patient, highlighting the need for early diagnosis in alcohol-dependent individuals.
Area of Science:
- Neurology
- Endocrinology
- Toxicology
Background:
- Alcoholism is frequently associated with electrolyte disturbances.
- Hypokalemia, or low potassium levels, can manifest with significant neuromuscular symptoms.
- Proximal myopathy presents as muscle weakness in the limbs closest to the body's core.
Observation:
- A case of acute, painless proximal myopathy was observed.
- The patient's condition was directly linked to hypokalemia.
- The underlying cause of hypokalemia was identified as chronic alcoholism.
Findings:
- The patient presented with severe muscular weakness affecting proximal muscle groups.
- Laboratory analysis confirmed profound hypokalemia as the cause of the myopathy.
- Treatment with potassium supplements led to a rapid and complete recovery of muscle strength.
Implications:
- Early recognition of hypokalemia is crucial in alcohol-dependent patients presenting with muscle weakness.
- Prompt electrolyte correction can reverse severe neuromuscular deficits.
- This case underscores the importance of screening for metabolic derangements in alcoholism.