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Vasodepressor syncope.

D S Precious¹, J E Armstrong

¹Department Oral and Maxillofacial Surgery, Dalhousie University, Halifax, Nova Scotia.

Journal (Canadian Dental Association)

|January 1, 1990

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Vasodepressor syncope, or the common faint, stems from blood-injury phobia. Psychotherapy may prevent it, while understanding its autonomic hyperactivity aids management.

Area of Science:

Behavioral Medicine
Autonomic Neuroscience
Psychophysiology

Background:

Vasodepressor syncope, commonly known as the "common faint", is a significant clinical event.
It is recognized as a manifestation of the behavioral disorder known as "Blood-Injury Phobia".

Purpose of the Study:

To highlight the behavioral etiology of vasodepressor syncope.
To explore the potential for psychotherapy in preventing the "common faint".
To elucidate the pathophysiology of autonomic hyperactivity for improved management.

Main Methods:

Behavioral analysis of vasodepressor syncope.
Autonomic nervous system function assessment.
Psychophysiological monitoring during syncopal episodes.

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Main Results:

Vasodepressor syncope is characterized by a diphasic autonomic hyperactivity.
This hyperactivity initiates with anxiety and culminates in transient loss of consciousness.
The behavioral origin of the disorder is confirmed.

Conclusions:

Recognition of the behavioral roots of vasodepressor syncope opens avenues for psychotherapeutic prevention.
Understanding the diphasic autonomic hyperactivity is crucial for effective clinical management of the "common faint".