Cardiology

Mild thyroid disorders can cause severe heart problems

It has been known for more than 200 years that severe thyrotoxicosis may lead to cardiac arrhythmia (irregular heartbeat), one of the major reasons for sudden cardiac death. However, the risk associated with mild hyperthyroidism ...

Health

Take herbal supplements with a dose of caution

Herbal supplements may be natural, but that does not mean they are always safe. A new case report appearing in Heart Rhythm Case Reports, an official journal of the Heart Rhythm Society, published by Elsevier, is a case in ...

Cardiology

Insights into the dynamic ultrastructure of the heart

What happens below the cellular level when the heart contracts and relaxes has long been unexplored. Thanks to new ultra-high-resolution electron microscopy techniques, scientists can now watch the heart beating at almost ...

Cardiology

Driving with heart disease: Checking fitness to drive for safety

People suffering from various types of cardiovascular disease are subject to a certain accident risk when driving a vehicle on the road. High blood pressure, coronary heart disease and cardiac insufficiency might be grounds ...

Cardiology

The underestimated risk of mitral regurgitation

Mitral regurgitation is a disease in which the valve between the left atrium and left ventricle starts to leak, so that blood refluxes with each heartbeat. Typical symptoms of mitral regurgitation are increasing fatigue, ...

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