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Related Experiment Videos

[Angina pectoris induced by pacemaker syndrome]

Z Szabó1, T Török, L Rudas

  • 1Pándy Kálmán Kórház, Gyula, II. Belosztály-Kardiológia.

Orvosi Hetilap
|June 30, 1998
PubMed
Summary
This summary is machine-generated.

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Pacemaker syndrome, often causing dizziness and fainting, can manifest as chest pain. Switching to an AV sequential pacemaker resolved this patient's angina by stabilizing blood pressure.

Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Pacemaker syndrome arises from disrupted atrial-ventricular synchrony, leading to symptoms like hypotension and syncope.
  • Commonly, it's linked to the absence of atrial kick and neurocardiogenic reflexes from simultaneous contractions.

Observation:

  • A case report details a patient experiencing recurrent chest pain as the primary symptom of pacemaker syndrome.
  • The patient had a VVI pacemaker for sick sinus syndrome, subsequently developing rest angina.
  • Ambulatory blood pressure monitoring revealed significant beat-to-beat diastolic blood pressure variability and transient coronary hypoperfusion.

Findings:

  • Coronary angiography showed non-significant right coronary artery narrowing.
  • Beat-to-beat blood pressure monitoring confirmed extreme diastolic fluctuations.

Related Experiment Videos

  • Implantation of an AV sequential bifocal pacemaker eliminated blood pressure variability and coronary hypoperfusion.

    • Implications:

    • This case highlights chest pain as an atypical presentation of pacemaker syndrome.
    • Optimizing pacemaker function through AV sequential pacing can effectively manage pacemaker syndrome.
    • Stabilizing hemodynamics through appropriate pacing can alleviate ischemic symptoms in pacemaker patients.