Your heart's job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you're relaxing, and sometimes it's faster when you're exercising or stressed ...

The sinoatrial node (SAN) is the primary pacemaker of the heart and controls heart rate throughout life. Failure of SAN function due to congenital disease or aging results in slowing of the heart rate ...

There's good news when it comes to our heart's sinoatrial node (SAN), the body's natural pacemaker. Scientists at The Ohio State University Wexner Medical Center have shown the human SAN is hardwired ...

Deep within the heart’s right atrium lies the sinoatrial node, a tiny cluster of ...

This page lists all known medications that could potentially lead to 'Sinoatrial node dysfunction' as a side effect. It's important to note that mild side effects are quite common with medications.

New research in Sweden has produced a "blueprint" revealing how the human heart is built during prenatal development. It offers insights that could lead to improved prenatal care and new treatments ...

Tachycardia-bradycardia syndrome (i.e. pauses after converting to sinus rhythm) Severe sinus bradycardia Sinus pauses/sinus arrest Sinoatrial nodal exit block Chronotropic incompetence (failure of ...