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Transient Ischaemic Attack (TIA)

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Updated: Sep 20, 2024

CLINICAL DIAGNOSTIC MANUAL



A transient ischaemic attack (TIA) is a neurological event characterised by symptoms similar to a stroke, but which are temporary and completely reversible, leaving no permanent brain damage. TIAs occur when the blood flow to a part of the brain is briefly interrupted, usually due to a clot or arterial stenosis. This condition serves as a significant warning sign of a potential future stroke, making its prompt identification and management crucial.

Clinical Symptom/Sign

Description

Suspected Diagnosis

Confirmatory Diagnosis

Transient motor deficit

Temporary loss of strength in an arm, leg, or one side of the body

Transient ischaemic attack (TIA)

Brain MRI

Dysarthria

Temporary difficulty articulating words

Transient ischaemic attack (TIA)

Brain MRI and vascular imaging studies

Transient vision loss or impairment

Blurred vision or loss of vision like a veil over one or both eyes

Transient ischaemic attack (TIA)

Brain MRI and carotid Doppler ultrasound

Dizziness or balance disturbance

Sensation of instability or vertigo without ENT cause

Transient ischaemic attack (TIA)

Brain MRI and neurological evaluation

Transient sensory dysfunction

Temporary loss of sensation in a part of the body

Transient ischaemic attack (TIA)

Brain MRI and sensory function tests


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