Graves’ Disease Presenting with Periodic Paralysis to the Emergency Department

Table 2

Causes of proximal muscle weakness.

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Myopathy

 Endocrinopathy (e.g., thyrotoxic periodic paralysis)

 Inflammatory (e.g., myositis)

 Infective (e.g., viral hepatitis or human immunodeficiency syndrome)

 Genetic (e.g., muscular dystrophy or metabolic storage disorders)

 Malignancy-associated

 Drug-induced (e.g., statins, corticosteroids or alcohol)

 Others

Nervous system disorder

 Motor neuropathies

 Peripheral nerve disease (e.g., tick paralysis or demyelinating disorders)

 Neuromuscular junction disorders (e.g., Myasthenia gravis or botulism)

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