Arizona-based R3 Stem Cell, LLC is under fire this week after the FDA sent the company an untitled, three-page letter detailing significant shortcomings in their process.

Despite a sizable financial disadvantage, ST-segment elevation MI (STEMI) patients who could be treated effectively in an intensive or non-intensive care unit fare better in the ICU, according to research published June 4 in The BMJ.

Biotronik is targeting a minimum of 40% female enrollment for its newest project, a large-scale prospective study of sex differences in patients with non-ischemic cardiomyopathy (NICM) and an implanted cardiovascular device.

Heart patients prone to emotionally triggered atrial fibrillation are less likely to experience an arrhythmia if they’re taking beta-blockers, according to a June 3 study published in Heart Rhythm.

New diabetes diagnoses in the U.S. are trending down for the first time in two decades, the CDC has reported, declining 35% since a peak in 2009.

Researchers at Imperial College London have developed a sew-on heart patch that leverages stem cells to support and repair heart muscle after a heart attack—something that could dramatically lower MI survivors’ risk of future heart failure.

Former heart patient Donald Scott gifted Loyola Medicine $1.5 million last week as a thank-you for the care he received there when he suffered an arrhythmia, Loyola announced May 31.

The so-called “weekend effect”—that idea that patients admitted to the hospital on Saturdays, Sundays and holidays face greater odds of readmission down the line—doesn’t apply to victims of cardiac arrest, according to data presented at the British Cardiovascular Society Conference in Manchester June 2.

Prompted by a New York Times deep-dive into elevated death rates at North Carolina Children’s Hospital, North Carolina’s secretary of health on May 31 called for an investigation into the hospital’s pediatric heart surgery unit.

Loneliness, above all else, was an independent predictor of whether patients stuck to their doctors’ guidelines.