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Related Experiment Videos

[Pacemaker syndromes].

T Chalvidan1, J C Deharo, P Djiane

  • 1Service de cardiologie, hôpital Sainte-Marguerite, 274, boulevard de Sainte-Marguerite, 13009 Marseille, France.

Annales De Cardiologie Et D'Angeiologie
|January 31, 2003
PubMed
Summary
This summary is machine-generated.

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Pacemaker syndrome, caused by improper atrial and ventricular contraction timing, affects 7-20% of patients. Restoring atrioventricular synchrony can resolve these symptoms.

Area of Science:

  • Cardiology
  • Biomedical Engineering

Context:

  • Pacemaker syndrome arises from desynchronized atrial and ventricular contractions.
  • This desynchronization can lead to reduced cardiac output and elevated atrial pressure.
  • Retrograde ventriculoatrial (VA) conduction often exacerbates these hemodynamic disturbances.

Purpose:

  • To define pacemaker syndrome and its underlying mechanisms.
  • To discuss the incidence and varied presentation of pacemaker syndrome.
  • To highlight that pacemaker syndrome can occur across different pacing modes.

Summary:

  • Pacemaker syndrome is characterized by symptoms resulting from inadequate timing between atrial and ventricular contractions.
  • Incidence ranges from 7% to 20% in ventricular-paced patients, presenting with nonspecific neurologic or low cardiac output symptoms.

Related Experiment Videos

  • While most common in VVI mode, it can occur in other modes due to programming or selection issues.

    • Impact:

    • Understanding pacemaker syndrome is crucial for accurate diagnosis and patient management.
    • Identifying and correcting AV desynchrony can alleviate symptoms and improve patient outcomes.
    • This knowledge aids in optimizing pacemaker programming and patient selection for various pacing modes.