Table 7.

Recommended Surveillance for Individuals with MERRF

System/ConcernEvaluationFrequency
Neurologic Neurologic exam
  • Annually
  • If normal for 3 yrs, less frequent evals can be considered.
Eyes Ophthalmologic exam
Cardiovascular
  • Electrocardiogram
  • Echocardiogram
Endocrinologic
  • Fasting blood sugar
  • TSH
Hearing Audiologic evalEvery 2-3 yrs

TSH = thyroid stimulating hormone

From: MERRF

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