It can sometimes be difficult to distinguish between migraine aura and TIA, especially in cases of hemiplegic migraine, migraine with brainstem aura, or retinal migraine. Pay close attention to the red flags and consult a medical professional.
Characteristic
Migraine Aura
Transient Ischemic Attack (TIA)
Visual Symptoms
Bright, positive visual phenomena
Both visual fields affected
Gradual movement across visual field
Typically lasts 15-60 minutes
Vision loss (negative symptom)
Affects one side
Vision remains static
Usually lasts 3-10 minutes
Sensory Symptoms
Gradual buildup and evolution
Tingling/prickling sensations (positive symptom)
Involves hand and face on one side
Sensations recur in stereotyped pattern
Abrupt onset
Numbness (negative symptom)
Unilateral paresis
Sensory changes are variable
Progression
Symptoms march from one type of aura to another (visual, sensory, speech)
Symptoms spread from one body part to adjacent areas
Affected areas involved first become the last to clear
Episodes typically span 20-30 minutes
Simultaneous involvement of different symptoms (e.g. motor, sensory) and body parts (e.g. arm, leg)
Discover the intriguing link between Patent Foramen Ovale (PFO) and migraine. Learn about new research, treatment options, and the potential impact on stroke risk.
Discover the intriguing link between Patent Foramen Ovale (PFO) and migraine. Learn about new research, treatment options, and the potential impact on stroke risk.
