Confusion

To learn about common causes of confusion, see the lecture primer Common CNS Neurology Disorders

Common CNS Neurology Causes of Confusion

Sudden Onset of Confusion

Stroke (Ischemic vs Hemorrhagic) Epilepsy (Seizures) Meningoencephalitis (esp, HSV Encephalitis)

Acute Onset of Confusion

Delirium (aka Encephalopathy, Altered Mental Status) Multiple Sclerosis (Acute attacks/Chronic progression) Malignancy (esp, Brain METs & Gliomas)

Chronic Onset of Confusion

Dementia (Alzheimer’s, Vascular, Lewy body dementia) Parkinson’s disease (Atypical Parkinsonian syndromes)