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Syncope: investigation and treatment.

Satish R Raj1, Robert S Sheldon

  • 1Faculty of Medicine, University of Calgary, Health Sciences Centre, 3330 Hospital Drive, NW, Calgary, Alberta, T2N 4N1, Canada. sheldon@ucalgary.ca

Current Cardiology Reports
|August 10, 2002
PubMed
Summary
This summary is machine-generated.

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Diagnosing syncope often relies on patient history and physical exams, with cardiac syncope identifiable by specific historical features. Advances in ambulatory electrocardiography aid in diagnosing difficult syncope cases and understanding mechanisms.

Area of Science:

  • Cardiology
  • Neurology

Background:

  • Syncope is a prevalent, disabling, and costly condition.
  • Diagnosis frequently relies on clinical assessment, but specific historical features can differentiate causes.
  • Cardiac syncope and vasovagal syncope require distinct diagnostic approaches.

Purpose of the Study:

  • To review diagnostic strategies for syncope.
  • To highlight the role of specific historical features in identifying cardiac syncope.
  • To discuss advancements in ambulatory electrocardiography for syncope evaluation.

Main Methods:

  • Review of recent reports identifying historical features suggestive of cardiac syncope.
  • Evaluation of the utility of ambulatory electrocardiography, including implantable loop recorders.
  • Analysis of therapeutic options for recurrent vasovagal syncope.

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Main Results:

  • Specific historical elements can distinguish cardiac syncope from vasovagal syncope and seizures.
  • Implantable loop recorders are valuable for diagnosing challenging syncope cases and elucidating mechanisms.
  • Effective therapies for clear dysrhythmias are established, but recurrent vasovagal syncope remains challenging.

Conclusions:

  • A thorough history and physical examination are crucial for syncope diagnosis.
  • Ambulatory electrocardiography has significantly improved syncope diagnosis and research.
  • Ongoing trials will offer further guidance on managing recurrent vasovagal syncope with pharmacologic and non-pharmacologic treatments.