Brain Infarcts Flashcards
PICA - Lateral Medullary Syndrome (Wallenburg)
Spinal Trigeminal: Ipsi pain/temp (face) Anterolateral: Contral pain/temp (body) Nucleus Ambiguous: CN X deficits Vestib Nuc. + Inf. Cerebellar Peduncle: Ipsi Ataxia, nystagmus Descending Sympathetics: Ipsi Horner Solitary Nuc/Tract: Ipsi taste loss
ASAs + Paramedian from Vertebral - Medial Medullary Syndrome
Pyramidal Tract: Contra arm/leg weakness
Medial Lemniscus: Contra loss of prop., discrim., vib.
Hypoglossal Nuc/Nerve: Ipsi tongue weakness (lick wound)
Paramedian Branch of Basilar (medial pons)
Corticospinal/Corticonuclear Contra leg, arm, face weakness
Abducens Nuc: Ipsil horizontal gaze palsy
Medial Lemniscus: Contra prop., vib, discrim
Facial Nerve/Colliculus: Ipsi face weakness
MLF: Internuclear opthalmoplegia (nystagmus in contra eye, loss of adduction of ipsi eye, when gazing contra lesion)
AICA (lateral caudal pons)
Mid cerebellar Peduncle: Ipsi ataxia
Vestib. nuc: Vertigo, nystagmus
Trigem Nuc/tract: Ipsi pain/temp (face)
Spinothalamic: Contra pain/temp (body)
Superior Cerebellar Artery SCA (dorsolateral rostral pons)
Superior Cerebellar Peduncle + Cerebellum: Ipsi ataxia
PCA Branches + Top of Basilar Artery - Weber’s (anterior-medial midbrain)
Occulomotor Nerve Fascicles: Ipsi CN III palsy
Cerebral Peduncle: Contrala hemparesis
PCA Branches + Top of Basilar Artery - Claude’s (tegmentum of pons)
Occulomotor Nerve: Ipsi CN III palsy
Red Nuc/Superior Cerebellar Peduncle: Contra ataxia
MCA - Left Superior
UMN weakness of right arm/face
Broca’s aphasia
Somatosensory deficits of right arm/face/trunk
MCA - Left Inferior
Wernicke’s aphasia
Somatosensory loss of right arm/face/trunk
Right visual field deficit
Possible right weakness, at onset
MCA - Left Deep
Right pure motor hemiparesis (UMN)
Aphasia
MCA - Left Stem
Sup+Inf+Deep
MCA - Right Superior
UMN weakness of arm/face
Left Hemineglect
Somatosensory of left arm/face/trunk
MCA - Right Inferior
Pronounced left hemineglect (normal strength)
Left visual field deficit
Somatosensory deficits of left arm/face/trunk
Right gaze preference (onset)
MCA - Right Deep
UMN pure motor hemiparesis
Left hemineglect
ACA - Left
UMN right leg weakness Right leg sensory loss Grasp reflex Frontral lobe - odd behavior Aphasia, right hemiplegia possible