Common signs of Wenckebach heart block are feeling dizzy, tired, and having a fast heartbeat. These signs can be hard to ...

The disease begins in left ventricle or bottom chamber of heart and may spread to right ventricle and to the atria or top chambers, subsequently. There is no cure to dilated cardiomyopathy, but right ...

Because there can be multiple slow pathways it is possible for a PVC to activate the atria via retrograde conduction over a different slow pathway than the one used for the tachycardia.

There is also a one-way valve between each atrium and ventricle to prevent blood from being pumped in the wrong direction. The cardiac cycle follows an automatic rhythm of systole (contraction and ...

AFib is the most common type of irregular heart rhythm in the U.S., and blood thinners, also known as anti-clotting ...

In the first large trial of its kind, the anti-clotting medication rivaroxaban did not lower the risk of cognitive decline ...

AFib is an irregular and often fast heartbeat in which the heart's upper chambers (atria) beat out of sync with the lower chambers (ventricles). Some people with AFib have no symptoms, while others ...

In rare diseases, rare mutations have long been thought of as the only contributor. Genetic analyses of people with such conditions now suggest that the effects of common genetic variants can ...