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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FDA approves CRM monitoring system

The FDA approved Smartview technology to remotely monitor patients with implanted cardiac rhythm management (CRM) devices. The system allows patients to transmit data electronically from implanted cardiac devices to their physicians. 

St. Jude’s ICDs, CRT-Ds get CE mark

The Ellipse and Assura portfolio of implantable cardioverter-defibrillators (ICDs) and cardiac resynchronization therapy-defibrillators (CRT-Ds) received CE mark in Europe, St. Jude Medical announced.

HRS: 7% of S-ICD patients inappropriately shocked

Seven percent of patients implanted with subcutaneous implantable cardioverter-defibrillators (S-ICDs) experienced inappropriate shocks, according to an analysis of registry data presented May 9 at the Heart Rhythm Society (HRS) scientific sessions in Denver.

HRS: Watchman bumps out warfarin in PROTECT AF

The Watchman wait may be over. An analysis of long-term data found the Watchman left atrial appendage closure device to be superior to warfarin for primary efficacy and mortality.

HRS: Registry data point to shortfall in anticoagulant therapy

Patients with paroxysmal atrial fibrillation (AF) were less likely to receive guideline recommended anticoagulation therapy compared with persistent AF patients. The analysis presented May 8 at the Heart Rhythm Society scientific sessions in Denver included registry data on more than 62,000 patients.

Advance III: Longer-interval ICDs offer some benefits

Programming implantable cardioverter-defibrillators (ICDs) with a longer detection time may be appropriate for many patients, based on results of the ADVANCE III trial.

FDA approves devices by Medtronic, Biotronik

The FDA added several options for physicians who treat patients with heart failure and arrhythmias with its back-to-back approvals of two implantable cardioverter-defibrillator (ICD) and cardiac resynchronization therapy-defibrillator (CRT-D) technologies.

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St Luke’s arrhythmia institute additions include Natale

Andrea Natale, MD, executive medical director of the Texas Cardiac Arrhythmia Institute at St. David’s Medical Center in Austin, is now affiliated with Al-Sabah Arrhythmia Institute at St. Luke’s Hospital in New York City.

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New imaging protocols proposed to curb rise of cardiovascular infections

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