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Transient Ischemic Attack l: Introduction

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A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...

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Permanent Cerebral Vessel Occlusion via Double Ligature and Transection

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Published on: July 21, 2013

A reversible cerebral vasoconstriction syndrome.

Fang Ba¹, Fabrizio Giuliani, Richard Camicioli

¹Division of Neurology, University of Alberta, Edmonton, Canada.

BMJ Case Reports

|July 13, 2012

Summary

This summary is machine-generated.

Reversible cerebral vasoconstriction syndrome (RCVS) can cause severe headaches and narrowed brain arteries. Triptan and psychotropic medications may trigger RCVS, necessitating careful medication review for diagnosis and treatment.

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Area of Science:

Neurology
Radiology

Background:

Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by severe headaches and multifocal intracranial arterial narrowing.
RCVS can be triggered by various substances, including certain medications, highlighting the importance of a thorough medication history.

Observation:

A case study involving a patient presenting with symptoms suggestive of RCVS after using triptan and multiple psychotropic medications.
Neuroimaging revealed focal subarachnoid hemorrhage (SAH) and a diffuse beaded appearance in the intracranial vasculature.

Findings:

The patient's clinical condition improved with oral nimodipine treatment.
Repeat vascular imaging, including angiography and transcranial Doppler, confirmed complete resolution of vasoconstriction within 2-3 months, confirming the RCVS diagnosis.

Implications:

This case underscores the critical role of evaluating medication use and potential triggers in patients presenting with acute severe headaches and 'red flags' for RCVS.
Vascular imaging is essential for diagnosing RCVS, and follow-up imaging is key to confirming the characteristic reversal of vasoconstriction.