Hyperthyroidism with dome-and-dart T wave: A case report: A care-compliant article

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Ping Lai1, Jing-Ling Yuan, Jin-Hua Xue

  • 1Gannan Medical University, Ganzhou Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou Department of Physiology, School of Basic Medical Sciences, Gannan Medical University Department of Cardiology, Ganzhou Cardiology Center, Society for Cardiovascular Internal Medicine, Emergency Medicine, the First Affiliated Hospital of Gannan Medical University, Ganzhou, China.

Medicine
|February 9, 2017
PubMed
Abstract

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Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH receptors...
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