A 320-detector computed tomography (CT) scanner that shows both anatomy within coronary arteries and blood flow can accurately sort out which people need an invasive procedure to identify coronary blockages, according to an international study.

The U.S. Food and Drug Administration (FDA) is warning healthcare professionals of the rare but serious risk of heart attack and death with use of the cardiac nuclear stress test agents Lexiscan (regadenoson) and Adenoscan (adenosine).

Data from a national registry developed to track patient safety and real-world outcomes finds that the initial use of transcatheter aortic valve replacement (TAVR) for treatment of aortic stenosis in high surgical risk and inoperable patients in the United States is safe and effective.

A multidisciplinary team of experts in heart failure, cardiac arrhythmia and neurosurgery at Mount Sinai Hospital in New York City are testing nerve stimulation in the neck as a therapy for heart failure patients to potentially help relieve their debilitating symptoms of fatigue, shortness of breath and heart arrhythmias while reducing their hospitalizations.