Read the finding
Neurology · Pattern recognition
Stroke · arterial territory
10 findings. Cover the answers and work down the list — then flip it and predict the finding from the diagnosis.
Contralateral weakness, LEG > arm, with personality change and incontinenceAnterior cerebral artery (ACA)
Contralateral weakness FACE + ARM > leg, with aphasia or neglectMiddle cerebral artery (MCA)
Transient monocular visual loss like a descending curtainInternal carotid / ophthalmic (amaurosis fugax)
Contralateral homonymous hemianopia with macular sparingPosterior cerebral artery (PCA)
Ipsilateral facial pain/Horner/ataxia/dysphagia + contralateral body pain loss, NO deafness or facial droopPICA (lateral medullary / Wallenberg)
As Wallenberg but PLUS ipsilateral deafness and LMN facial weaknessAICA (lateral pontine)
Ipsilateral tongue weakness (deviates toward lesion) + contralateral hemiparesis + proprioception lossVertebral / anterior spinal (medial medullary)
Quadriplegia and anarthria, awake and aware, only vertical gaze and blink preservedBasilar artery (locked-in syndrome)
Ipsilateral CN III palsy + contralateral hemiparesisMidbrain perforators (Weber syndrome)
Pure motor or pure sensory deficit with NO cortical signsLenticulostriate perforators (lacunar)