Table 2. [Recommended Evaluations Following Initial Diagnosis in Individuals with ATS]. - GeneReviews®

Organ System	Evaluation	Comment
Cardiovascular	Baseline assessment	Performed by cardiologist familiar w/LQT management
12-lead EKG & 24-hour Holter monitor
Serum potassium concentrations	Performed at baseline & during attacks of weakness
Neurologic	Baseline assessment	Performed by neurologist familiar w/periodic paralysis
Electrophysiologic studies incl long exercise protocol

Dental	Baseline assessment for dental abnormalities assoc w/ATS	Follow up as needed
Musculoskeletal	Baseline assessment & to establish care w/orthopedist / spine surgeon if scoliosis identified	Follow up as needed
Miscellaneous/ Other	Serum TSH concentration	Verification that serum TSH concentration is w/in normal limits
Consultation w/clinical geneticist &/or genetic counselor

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Adam MP, Feldman J, Mirzaa GM, et al., editors.

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