One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping ...

Discover the life-extending approaches to managing heart failure through medication adherence, lifestyle modifications, and ...

Several months ago, I developed a case of a bigeminy heartbeat. My cardiologist prescribed metoprolol. At about the same time, I had reduced my intake of magnesium from about 50% of the daily value ...

Researchers have significantly expanded the understanding of the genetic causes of atrial fibrillation (AF), a common heart condition that leads to an irregular heartbeat and increases the risk of ...

Early data in mice and human tissue indicate that using drugs or gene therapy could allow for cardiac healing in ischemic HF.

Propranolol and metoprolol are beta-blockers taking to treat certain heart conditions. Learn more about their similarities ...

Should you take a calcium supplement? And if so, how much? Here's what to know about calcium's benefits and some warnings.

Heart diseases and blood circulation conditions, including their risk factors, symptoms, and treatment.

We evaluated the acute effects of four pacing sites on cardiac synchrony and contraction using speckle-tracking echocardiography, and comparisons among four different pacing sites were rare. Methods: ...

A cardiac emergency in SPECT/CT and PET/CT occurs infrequently but necessitates prompt ... AF occurs when the atria do not contract properly and results in irregular ventricular contractions and an ...

Using the sweetener aspartame on the hearts of both humans and mice, the researchers found that it increased the force of heart contractions, as well as improved calcium handling. Both these ...

These channels act as pathways for electrical currents that help reset the heart's electrical activity after each contraction. For patients with LQTS, this process is prolonged, leading to an ...