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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Medical societies release consensus statement on ICD programming and testing

Major electrophysiology and cardiology societies released an expert consensus statement on Nov. 19 on optimal implantable cardioverter-defibrillator (ICD) programming and testing.

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Physicians still use Lariat device despite FDA safety alert

Despite an FDA safety alert in July, physicians are still using the Lariat suture delivery device, STAT reports. SentreHeart CEO Russell Seiber, who founded the company in 2005, defended the Lariat device in an interview.

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AHA.15: Micra leadless pacemaker is safe and effective at 6 months

Six months after implantation with an investigational leadless intracardiac transcatheter pacing system from Medtronic, 96 percent of patients did not have system-related or procedure-related major complications, according to a prespecified interim analysis of a prospective, multicenter study.

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DOJ investigation in ICD misuse continues

Although the Department of Justice (DOJ) announced on Oct. 30 that it had settled with 457 hospitals for allegedly improperly implanting implantable cardioverter defibrillators (ICDs), it said it will to continue to investigate hospitals and health systems that fail to comply with the ICD implantation rules.

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Feeding the Loop: AEDs, Feedback & Federal Regulations

Prompt response to cardiac arrest is critical; seconds lost reduce the chances for patient recovery. While other rescue procedures like CPR do help and buy rescuers time, when a shock is needed, it’s imperative for the equipment to work well and, in some cases, provide rescuers with feedback.

ACC, AHA and HRS release guideline to treat supraventricular tachycardia

Three major cardiology societies released a new guideline on Sept. 23 to manage adults with all types of supraventricular tachycardia (SVT) other than atrial fibrillation.

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The Beauty of Subcutaneous ICDs Is Not Merely Skin Deep

Wireless pacemakers today are rising in popularity as the right choice for many patients.

FDA approves first MRI-compatible ICD system

The FDA approved the Evera MRI Surescan implantable cardioverter defibrillator (ICD) as the first ICD system for use with MRI scans. The system is expected to be available this month.

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