Edward J. Schloss, MD

All posts by Edward J. Schloss, MD

January 19th, 2015

Putting Your Heart Into Your Music: Beethoven’s Cardiac Arrhythmia

Zachary Goldberger discusses his collaborative study of the relationship between cardiac health and musical composition inspired by the work of Ludwig van Beethoven.


March 28th, 2014

How Sure Can We Be About Optisure?

Edward J. Schloss reflects on the release of the new Optisure family of ICD leads by St. Jude Medical, as well as the history of leads made by this company.


September 3rd, 2013

Echo CRT Trial – Going Narrow Doesn’t Broaden CRT Population

A once promising indication for cardiac resynchronization therapy (CRT) in selected heart failure patients with narrow QRS intervals has suffered a major blow with the premature termination of the Biotronik sponsored multicenter EchoCRT trial.


July 17th, 2013

A Surprising ICD Revision

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An ICD removed from a 70-year-old man has a startling appearance. Explain what you think happened, and offer your approach for how to care for this patient.


March 28th, 2013

Case Report Of Durata Lead Failure Raises Fresh Concerns

 A case report of a failed St. Jude Medical Durata ICD lead was published yesterday, raising suspicions that this lead may share some of the same potential failure mechanisms of its troubled predecessor, the Riata lead. St. Jude’s ICD lead troubles date back to early case reports involving the Riata and Riata ST leads that ultimately led […]


August 21st, 2012

New Questions About Latest-Generation ICD Leads from St. Jude

A highly anticipated study analyzing failures of St. Jude Durata and Riata ST Optim ICD leads has been published online in Europace by prominent electrophysiologist and ICD critic Dr. Robert Hauser along with associates from the Minneapolis Heart Institute. Over the past year St. Jude Medical has been beset with bad news about its ICD leads. Until […]


August 9th, 2012

Overview of the New HRS/ACCF Pacemaker Guidelines

A pithy primer on the 2012 supplement to the 2008 guidelines


July 19th, 2012

New ICD Lead Technology Creates New Set of Problems: A Perspective From One Electrophysiologist

Edward Schloss discusses his dislike of the DF-4 ICD lead and his belief that the industry is designing devices for the benefit of the doctor, not the patient.


May 16th, 2012

Robert Hauser, ICD Watchdog, Offers Viewpoint On Riata Controversy At HRS

The St. Jude Riata ICD lead controversy took center stage at last week’s Heart Rhythm Scientific Sessions in Boston, as previously reported here.  Near the end of the meeting a leading figure in the field, Dr. Robert Hauser, of the Minneapolis Heart Institute, summarized the current state of the Riata crisis and discussed its broader […]


May 12th, 2012

HRS 2012: More Clarity on DOJ ICD Investigation, ‘Incidental PCIs’ Still Excluded

Thursday morning at Heart Rhythm Scientific Sessions 2012, Suneet Mittal MD of Columbia University gave a detailed account of his group’s experience with a Department of Justice investigation of ICD implantation outside of NCD guidelines.  The talk served to amplify and clarify points made in his perspective in JACC written with Jonathan Steinberg MD, in March 2012. Not long […]