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.

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Integrated RIS delivers boon to physicians, patients

Researchers have found that implementing a disciplined collection of background clinical information all along the clinical service chain through use of a RIS, in combination with a PACS, allows for quicker interpretation times and improved service to patients, according to an article published in the October issue of the Journal of the American College of Radiology.

Teleradiology services use could be slowing

Researchers have found recent evidence that shows the growth of external, off-hours teleradiology services (EOTS) has slowed in recent years, despite a significant increase in the number of radiology practices using those services between 2003 and 2007, according to a study in the November issue of the American Journal of Roentgenology.

St. Jude has slight dip in Q3, lowers guidance

St. Jude Medical experienced a 2 percent drop in net earnings, despite an increase in sales for the third quarter of 2009, which ended Sept. 30.

JACC: Refurbished pacemakers work just as well

Patients who received refurbished pacemakers donated from Detroit area funeral homes survived without complications from the devices, according to a study that appears online ahead of print in the Oct. 13 issue of the Journal of the American College of Cardiology.

TCT: Stereotaxis highlights Odyssey

While the Stereotaxis remote magnetic catheter navigation system gets all the attention, it is Odyssey that provides the IT backbone for storing, managing and retrieving data associated with these remotely-operated angio procedures. The company showcased the Odyssey at the 21st annual Transcatheter Cardiovascular Therapeutics (TCT) conference.

Circulation: Multaq may reduce stroke risk

A reduction in stroke was observed in patients with atrial fibrillation who were receiving usual care, which included antithrombotic therapy and heart rate control, and were randomized to dronedarone (Multaq, Sanofi-Aventis), according to a post-hoc analysis of the ATHENA trial, published Sept. 10 online in Circulation.

HFSA: Was MADIT-CRT was underpowered for mortality?

BOSTONWhile the benefits of CRT plus ICD (CRT-D) based on the results of the MADIT-CRT study, presented last week at the Heart Failure Society of America meeting, have been widely touted, John G. F. Cleland, MD, questioned why the mortality results seem to contradict previous randomized trials of similar patient populations.

CardioNet updates mobile cardiac telemetry service

CardioNet has released clinical and reporting enhancements to its existing Mobile Cardiac Outpatient Telemetry service.

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Around the web

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Use of AI opportunistic screening in CT for cardiovascular disease

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

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New imaging protocols proposed to curb rise of cardiovascular infections

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

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