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Case Report

JCDR. 2015; 6(3): 156-158

Paroxysmal Supraventricular tachycardia in Hypothyroidism: a Case Report

Laxmikant Ramkumarsingh Tomar, Sundaram Thondikulam Gopalakrishnan and Amitesh Aggarwal.


Thyroid disorders, both hyperthyroidism and hypothyroidism, have been known to cause many cardiovascular effects
however; hyperthyroidism has been known to be an important factor in the aetiology of paroxysmal supraventricular
tachycardias. Here, we report a case of young female who was a known case of hypothyroidism for one year, on thyroxin 25
mcg once a day, presented with acute onset palpitations and diaphoresis with electrocardiography (ECG) findings suggestive
of Paroxysmal Supraventricular Tachycardia (PSVT). Since there is a paucity of cases reported on tachyarrhythmias
associated with hypothyroidism, we wish to add this rare case to the literature.

Key words: Early after-depolarisation (EAD), Hypothyroidism, PSVT, Tachyarrhythmias, Tachycardia.

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