Heart Rhythm

Hearts should have normal rhythm to their beats, but when these beats are out of synch, it causes inefficient pumping of blood. Irregular heart arrhythmias occur when the electrical signals that coordinate the heart's beats do not work properly. This can cause beats that are too fast (tachycardia), or too slow (bradycardia). Tachycardias include atrial fibrillation (AFib), supraventricular tachycardia, ventricular fibrillation, and ventricular tachycardia (VT). Bradycardias include sick sinus syndrome and conduction block. Electrophysiology arrhythmia treatments include medications, life style changes, and the EP lab interventions of catheter ablation, and implantable pacemakers or defibrillators.

AF patients ENGAGE in trial to evaluate endoxaban

Researchers have completed enrollment for the phase III ENGAGE AF-TIMI 48 clinical trial that will study of edoxaban, an anticoagulant and an oral factor Xa inhibitor used in the prevention of stroke and embolic event occurrence in atrial fibrillation (AF) patients.

AHA: Protocol reduces children's rad exposure during EP procedures

A protocol that uses continuous real-time radiation monitoring, low-dose imaging programs and requires physician awareness of radiation dose significantly reduced radiation exposure during electrophysiology (EP) procedures in children, according to research presented at the annual meeting of the American Heart Association's Scientific Sessions earlier this month in Chicago.

Clinical communication ringing loud and clear

Huntington Hospital in Pasadena, Calif., has a new capability to communicate. As is the case in many hospitals acrosss the U.S., the providers nurses were carrying around multiple pagers for tracking patients and monitoring various conditions, as well as mobile phones. These devices, designed to improve patient care, were weighing them down.

AHA: Potential benefits of using rivaroxaban for AF stroke prevention still unclear

CHICAGORivaroxaban was non-inferior to warfarin for the prevention of stroke and non-CNS systemic embolism for patients with non-valvular atrial fibrillation, but did not achieve superiority by the intention-to-treat analysis, according to the late-breaking ROCKET AF trial, which was presented today at the American Heart Association (AHA) Scientific Sessions.

HRJ: Hybrid surgical approach allows EPs to ablate heart's surface

High-risk ventricular tachycardia patients can be safely treated through minimally-invasive surgical epicardial access for catheter mapping and ablation, according to a study in the November issue of the Heart Rhythm Journal.

HRJ: Internal med docs are uncomfortable deactivating ICDs

A majority of physicians are not comfortable conducting end-of-life discussions about deactivating pacemakers and implantable cardioverter-defibrillators (ICDs), compared with other life-sustaining therapies such as mechanical ventilation, according to a survey published in the November edition of Heart Rhythm Journal.

Lancet: Dabigatran similar to warfarin for those with prior stroke/ischemic attack

A 110 mg or 150 mg dose of dabigatran showed similar outcomes to warfarin for stroke or systemic embolism in patients who experienced a previous incidence of stroke or transient ischemic attack, according to a sub-analysis of the RE-LY trial published online Nov. 7 in Lancet Neurology.

Watchman hopes to PREVAIL through U.S. AF trial

Central Baptist Hospital in Lexington, Ky., recently enrolled the first patient into the PREVAIL trial, a U.S. study comparing the Watchman Left Atrial Appendage Closure Device to long-term warfarin therapy in patients with atrial fibrillation at risk for stroke. Atritech, makers of the device, intend to use positive trial results to gain FDA approval.

Around the web

Ron Blankstein, MD, professor of radiology, Harvard Medical School, explains the use of artificial intelligence to detect heart disease in non-cardiac CT exams.

Eleven medical societies have signed on to a consensus statement aimed at standardizing imaging for suspected cardiovascular infections.

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