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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine
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Published on: February 17, 2018

Sleep syncope: treatment with a permanent pacemaker.

Jason A Rytlewski1, John T Lee, Satish R Raj

  • 1Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-2195, USA.

Pacing and Clinical Electrophysiology : PACE
|March 22, 2012
PubMed
Summary
This summary is machine-generated.

Sleep syncope, a rare nocturnal variant of vasovagal syncope, can cause fainting upon waking. Pacemaker implantation successfully treated a patient experiencing recurrent sleep syncope due to asystolic pauses.

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Area of Science:

  • Cardiology
  • Neurology
  • Sleep Medicine

Background:

  • Vasovagal syncope typically occurs in upright posture.
  • A nocturnal variant, termed "sleep syncope," has been described, characterized by fainting after awakening from sleep.

Observation:

  • A patient presented with recurrent episodes of sleep syncope, leading to physical injury.
  • During a syncopal event, an asystolic pause (cessation of heart rhythm) was documented.
  • The patient experienced typical symptoms including nausea, abdominal cramping, and a sense of impending diarrhea upon waking.

Findings:

  • Implantation of a dual chamber pacemaker was performed.
  • A 5-year follow-up revealed complete resolution of syncopal episodes.
  • The pacemaker effectively managed the asystolic pauses associated with sleep syncope.

Implications:

  • This case highlights pacemaker therapy as a potential treatment for sleep syncope.
  • It underscores the importance of considering cardiac causes, like asystolic pauses, in nocturnal reflex syncope.
  • Further research into the pathophysiology and management of this unusual syncope variant is warranted.