EP and the Unusual Cardiomyopathies-An Update on Arrhythmia-Induced Cardiomyopathies (Presenter: Jason M. Garnreiter, MD, CEPS-P)

An Update on Arrhythmia-Induced Cardiomyopathies (Presenter: Jason M. Garnreiter, MD, CEPS-P)

Video Transcription

Video Summary

In this video, Jason Garnreiter from St. Louis, Missouri discusses arrhythmia-induced cardiomyopathies. These are situations where tachyarrhythmia or frequent ectopy leads to ventricular dysfunction. The arrhythmia is the cause, not a response to the cardiomyopathy. The condition tends to resolve once the arrhythmia is under control. It can be challenging to differentiate between arrhythmia-induced cardiomyopathies and cardiomyopathies that exacerbate arrhythmias, as they often coexist. In the pediatric population, it is more commonly associated with incessant atrial or ventricular arrhythmias. In adults, atrial fibrillation is the most common type. The development of a cardiomyopathy in these cases is due to reduced myocyte energy, cellular and extracellular remodeling, abnormalities in calcium cycling, and neurohormonal activation. Diagnosis can be challenging and requires a high index of suspicion. Tools that can help in diagnosis include clinical risk scores, MRI, electroanatomic mapping, and biopsy specimens. Treatment often involves rhythm control strategies. Long-term follow-up and close monitoring are important, as some patients may have irreversible changes and remain at risk for sudden death.

Meta Tag

Lecture ID 3461

Location Room 203

Presenter Jason M. Garnreiter, MD, CEPS-P

Role Invited Speaker

Session Date and Time May 09, 2019 1:30 PM - 3:00 PM

Session Number S-031

Keywords

arrhythmia-induced cardiomyopathies

tachyarrhythmia

ventricular dysfunction

differentiate

pediatric population