Julie Bowen, famed for Modern Family, faced a health scare at 29. She was diagnosed with sick sinus syndrome. Her sister ...

The federally funded work led by Johns Hopkins researchers could save many lives and spare many people unnecessary medical ...

Sick sinus syndrome is a heart rhythm disorder that can cause bradycardia, or a too-slow heart rate, pauses between ...

This design permitted the heart to contract freely during action potential recordings except for the 1-cm 2 area within the mapping field, while the electrophysiological side effects associated with ...

Heart arrhythmia refers to the medical condition in which the electrical impulses that control the heartbeat become abnormal and ends up to an irregular rhythm. The heart abnormality has been always ...

Many things can make your heart skip a beat — the words to a song, a case of the nerves, or a near car accident — but these temporary palpitations aren't usually cause for concern. But much more ...

Menopause, Hormones, and Heart Disease Risk When a woman is still having her menstrual period, estrogen and progesterone levels rise and fall during different times of the month, according to the ...

Heart and circulatory diseases affect more than seven million people in the UK. Non-invasive cardiac imaging is a critical element of contemporary cardiology practice. Progressive improvements in ...

Moreover, the changes in heart muscle and structure caused by hypertension can lead to abnormal heart rhythms, such as atrial fibrillation. These rhythm problems increase the risk of stroke and ...

DEAR MAYO CLINIC: When I go for a walk or to the gym, people always seem to be checking their pulse, whether by hand or with a wearable. Why is heart rate so important? ANSWER: Your heart rate, or ...

Review question We wanted to find out how effective certain classes of antiarrhythmic drugs (medications used to prevent or treat an irregular heart rhythm) are for maintaining sinus rhythm (normal ...