The key to getting a cardiac diagnosis may be an imaging test called Cardiovascular Magnetic Resonance (CMR). The imaging scan appears to identify a diagnosis 75 percent of the time, and may even provide the reason behind unexplained heart arrhythmias.
Scientists have long searched for an alternative to surgically replacing batteries in a pacemaker, which helps regulate an irregular heartbeat. A prototype draws its energy from a surprising source.
A multiple sclerosis drug may work double duty. It has been shown in a lab study to prevent and even reverse one of the leading causes of heart attack.
Prior to its approval last year, there was much debate about Xarelto (rivaroxaban), an anti-clotting drug designed to prevent stroke among patients with atrial fibrillation, a common heart arrhythmia.
About 33 percent of stroke survivors leave the hospital unsure of the cause. A new finding suggests about 20 percent of strokes with an undetermined cause may have been prompted by a heart arrhythmia episode.
Every year about 100,000 implantable cardioverter-defibrillators (ICDs) are received by patients with life-threatening heart arrhythmias. About a quarter of those are replacements because of a depleted battery, many of which may be unnecessary.
Pre-hypertensive middle-aged men may have more to worry about than developing full-blown high blood pressure. They also are at an increased risk for a heart arrhythmia.
Blood thinner dabigatran (Pradaxa), approved in 2010 to prevent stroke in patients with atrial fibrillation, a common heart arrhythmia, is linked to an increased risk of heart attack, a new trial suggests.
Heart rhythm disorders may have a genetic link. Researchers have identified a gene mutation that appears to interfere with the cardiac conduction system, contributing to lethal heart arrhythmias.
An operation to clip a nerve associated with the body's adrenaline-fueled "flight or fight" reaction may successfully heal potentially life-threatening heart arrhythmias.
