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Updated: May 9, 2026

Integrated Compensatory Responses in a Human Model of Hemorrhage

Integrated Compensatory Responses in a Human Model of Hemorrhage

Published on: November 20, 2016

Syncope: there is more than haemodynamic failure.

Anna Mira Loesch¹, Alexander Becker, Soheyl Noachtar

¹Department of Neurology, University of Munich, Epilepsy Center, Muenchen, Germany.

BMJ Case Reports

|August 13, 2013

Summary

This summary is machine-generated.

Convulsive syncopes can mimic epileptic seizures. This case highlights autonomic mechanisms causing pre-asystole symptoms like dizziness and nausea in neurocardiogenic syncope, leading to misdiagnosis.

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Area of Science:

Neurology
Cardiology
Autonomic Neuroscience

Background:

Differentiating convulsive syncopes from epileptic seizures is clinically challenging.
Recurrent syncopes often stem from autonomic or non-autonomic failure.
Accurate diagnosis is crucial for appropriate patient management and treatment.

Observation:

A 22-year-old woman was initially misdiagnosed with epilepsy.
Her neurocardiogenic syncope presented with symptoms preceding cardiac asystole.
The patient experienced an aura and activated an alarm 2 seconds before asystole on ECG.

Findings:

Unspecified autonomic mechanisms were implicated in the patient's symptoms.
Prodromal symptoms of dizziness and nausea preceded the cardiac event.
The timing suggests autonomic dysfunction plays a key role in syncope presentation.

Implications:

This case underscores the importance of considering autonomic dysfunction in syncopal events.
It highlights potential diagnostic pitfalls in distinguishing syncope from seizures.
Further research into pre-asystole autonomic mechanisms may improve syncope diagnosis and treatment.