A surveillance aid for primary care providers to facilitate the identification of signs of muscle weakness in children ages 6 months to 5 years. Failure to meet age-appropriate milestones may be a sign of a serious developmental delay.
If transaminases (AST and ALT) are elevated, check CK. Since AST/ALT can come from muscle or the liver, while CK comes only from muscle, this test will help localize the child's problem and may prevent unnecessary liver tests. MORE CLINICAL PEARLS
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