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MediumEndocrinologyThyrotoxicosis Symptom Controlukmlamrcgp aktpanemrcem sbamrcp part 1prescribing safety assessment

A 32-year-old woman presents with palpitations and anxiety. ECG shows sinus tachycardia at 110 bpm. Blood tests reveal TSH <0.01 mU/L (low), Free T4 28 pmol/L (high), Free T3 9.5 pmol/L (high). What medication should be initiated first to manage her symptoms while awaiting further investigations (e.g., TSH receptor antibodies, thyroid uptake scan)?

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