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.

JACC: Benefits of Multaq questioned

In a commentary, published April 23 in the Journal of the American College of Cardiology, of the anti-arrhythmic drug dronedarone (Multaq, Sanofi-Aventis), researchers concluded that the controversial drug is only modestly effective and has no clear safety benefits.

HeartRhythm: A-fib increases dementia risk, including Alzheimer's

Patients with atrial fibrillation (AF) may have a greater risk of developing dementia, researchers have found. And while Alzheimer's disease most commonly occurs in the older patient population, in those with AF, patients 70 years old and younger may pose the greatest risk, based on study results published in the April issue of the HeartRhythm Journal.

ACC: MRIs can determine when to implant high-risk patients with ICDs

Infarct size measured by MRI can be used as a predictor of ventricular tachycardia and may answer whether or not high-risk patients with an ejection fraction under 35 percent should be implanted with implantable cardioverter-defibrillators (ICDs), said Jeffrey J. Goldberger, MD, from Northwest Memorial Hospital in Chicago, during a presentation at ACC.10 in Atlanta March 15.

ACC Feature: Multaq may be feasible in AF patients soon after stopping Cordarone

ATLANTA--Patients with atrial fibrillation (AF) or atrial flutter (AFL) who transition to dronedarone (Multaq, Sanofi-Aventis) following prior treatment with amiodarone (Cordarone, Wyeth) were not associated with adverse events, according to a post-hoc analysis of pooled data from the EURIDIS and ADONIS trials presented Monday at the ACC.10 conference.

Device Integration: Getting Point-of-Care Data Where Its Needed

Well before federal EHR efforts went into high gear, healthcare systems transitioning to electronic records were looking for ways to integrate point-of-care devices. The impending requirements for electronic medical records (EMRs) and meaningful use of electronic records data will only heighten the need for device integration.

ACC: First cardiac outpatient registry is put to the test

ATLANTA While quality improvement measures in the inpatient setting may have been described and collected at healthcare practices for years, performance measures in the outpatient setting have not been systematically collected and the current performance in the outpatient setting is unknown, according to a presentation at the Comparative Effectiveness and Outcomes session at the 59th annual American College of Cardiology (ACC) conference on March 16.

Q&A: The proving ground for interoperability

The Interoperability Showcase at HIMSS10 in Atlanta earlier this month boasted a record number of vendors, more products working together and more scenarios than ever, on nearly an acre of show floor real estate. It shows the evolution of interoperability from a far-away ideal to live, viable options in support of improved patient care, says Lisa Spellman, MBA, CPHIMS, HIMSS senior director of informatics, and secretary, HIMSS-sponsored Domains, Integrating the Healthcare Enterprise (IHE) International.

ACC: Ablation bests a-fib drugs in pilot study--onto bigger CABANAs

ATLANTA--Ablative intervention was more effective than drug therapy for preventing recurrent symptomatic atrial fibrillation, according to the CABANA trial results presented Monday during a late-breaking clinical trial session at the American College of Cardiologys (ACC) 59th annual conference.  Slides

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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