Abstract
Thyrotoxicosis may present with a variety of cardiovascular symptoms. Sinus tachycardia is the most frequently encountered electrocardiographic abnormality and conduction disturbances are extremely uncommon. We present a case of first degree atrio-ventricular block in a patient with newly diagnosed hyperthyroidism and discuss the underlying pathophysiological mechanisms and the clinical implications from the internist's standpoint.
Publication types
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Case Reports
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English Abstract
MeSH terms
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Acute Disease
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Adult
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Anti-Arrhythmia Agents / therapeutic use
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Antithyroid Agents / therapeutic use
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Female
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Heart Block / diagnosis*
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Heart Block / physiopathology
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Humans
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Hyperthyroidism / complications
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Hyperthyroidism / diagnosis
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Methimazole / therapeutic use
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Propranolol / therapeutic use
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Thyrotoxicosis / diagnosis*
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Thyrotoxicosis / drug therapy
Substances
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Anti-Arrhythmia Agents
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Antithyroid Agents
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Methimazole
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Propranolol