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.

Boston Scientific announces pacemaker CE mark with options for magnetic resonance imaging

Boston Scientific Corporation has received CE Mark approval for the ACCOLADETM pacemaker family. When implanted with the company's INGEVITYTM leads, ACCOLADE pacemakers are the first to enable patients to receive full-body MRI scans in both 1.5 Tesla and 3.0 Tesla systems. In addition, the Boston Scientific ImageReadyTM technology offers the most flexible MRI options, allowing higher energy scan sequences, and featuring a programmable MRI timer designed to improve patient workflow.

Massachusetts General Hospital Institute for Heart, Vascular and Stroke Care to serve as coordinating site for new Transatlantic Network of Excellence

Today, the electrophysiology service of the Massachusetts General Hospital Institute for Heart, Vascular and Stroke Care announces participation in a new Transatlantic Network of Excellence as part of a $6 million award from the Leducq Foundation.

A new investigational cardiac pacemaker as small as a vitamin

Cardiologists on the medical staff at Baylor Jack and Jane Hamilton Heart and Vascular Hospital (BHVH) today implanted an investigational cardiac pacemaker the size of a multivitamin. The first implantable pacemakers, developed in the late-1950s, were nearer the size of a transistor radio.

Imricor Medical Systems announces first procedures in clinical study of MR-enabled cardiac ablation products

Imricor Medical Systems, Inc. announced the first three cardiac ablation procedures were completed in the first clinical study that is evaluating the feasibility of their MR-enabled products to treat atrial flutter. Professor Reza Razavi, Head of the Division of Imaging Sciences & Biomedical Engineering, King's College London, is the principal investigator for the study and along with Mark O'Neill, Professor of Cardiac Electrophysiology and Consultant Cardiologist, Guy's and St. Thomas' NHS Trust performed the procedures. The prospective pilot study will enroll up to 15 patients at this center.

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Bramah Singh, pioneer in classifying anti-arrhythmic drugs, dies

Bramah N. Singh, MD, an emeritus professor of cardiology at University of California, Los Angeles, who co-developed a classification system for anti-arrhythmic medications, died at his home on Sept. 20, the university announced. He was 76 years old.

Dual-chamber setting in ICDs leads to fewer inappropriate shocks

When comparing risk of inappropriate implantable cardioverter-defibrillator (ICD) shocks in two types of therapy, researchers in the OPTION study found a significant advantage in dual-chamber therapy. Fewer inappropriate shocks were delivered to patients on dual-chamber than on single-chamber settings, especially those programmed with algorithms for minimizing ventricular pacing.

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FDA panel to revisit Watchman based on updated data

An FDA advisory committee is scheduled to vote Oct. 8 on the Watchman Left Atrial Appendage Closure device to reduce the risk of stroke and systemic embolism in patients with nonvalvular atrial fibrillation. The FDA asked panelists to re-evaluate the filing in light of new clinical data on adverse events.

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Defense awards $67M for airworthy defibrillators

The Department of Defense awarded contracts topping $67 million to two companies for airworthy defibrillators under its war-stopper funds.

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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