The difference between hyperthyroid heart disease and heart disease.

Written by Xie Zhi Hong

Cardiology

Updated on April 08, 2025

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Heart disease includes all phenomena of heart dysfunction caused by various reasons, which can collectively be referred to as heart disease. This includes arrhythmias, heart failure, and changes in the cardiac vessels, such as coronary heart disease, coronary artery bridging, and congenital heart disease, all of which are termed heart disease. Hyperthyroid heart disease, on the other hand, is caused by a long period of uncontrolled or untreated hyperthyroidism, leading to changes in heart function and structure. It manifests as palpitations, panic, and severe decline in heart function. It is merely one type of heart disease, representing the changes in the heart caused by hyperthyroidism, and is just a small category of heart disease.

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