Valentine's Day is all about the hearts: heart-shaped chocolates, cards, balloons and even pizza. But the heart hasn't always ...

CIRP regulates cardiac electrophysiological properties such as the repolarization of cardiomyocytes, the susceptibility of atrial fibrillation, and the function of the sinoatrial node in response to ...

The human heart – a marvel of complexity and resilience – pumps life into us day and night, sending blood through an ...

Southern Methodist University biology researchers are uncovering how brain, heart, and lung connections may hold the key to ...

Apart from the obvious and widely accepted criteria involving contour, duration, and time of appearance, other less obvious characteristics have been adduced: (1) the P-S time of the fusion beat must ...

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It is driven by the sinoatrial node, a cluster of pacemaker cells that spontaneously generate electrical impulses independently of the brain. As this intrinsic electrical system does not rely on ...