Specialty hub
Neurology - Diseases & USMLE MCQs
7 clinical summaries in neurology - each with pathophysiology, presentation, diagnosis, management, high-yield pearls, sample USMLE MCQs and an illustration from our medical library. Free to read, no login.
Alzheimer Disease
Most common cause of dementia; progressive amnestic memory loss from amyloid-beta plaques and tau tangles with hippocampal and cortical atrophy.
Reviewed 21 May 2026
Epilepsy
Enduring predisposition to recurrent unprovoked seizures affecting ~1% of population. Classification by seizure onset (focal, generalised, unknown) and aetiology guides therapy.
Reviewed 14 Jul 2026
Ischemic Stroke
Acute focal neurologic deficit from arterial occlusion causing brain infarction; time-sensitive reperfusion saves brain tissue: 'time is brain'.
Reviewed 30 Jun 2026
Migraine
Recurrent unilateral throbbing headache with photophobia, phonophobia and nausea. Trigeminovascular activation and CGRP release drive attacks; disabling in 15% of adults.
Reviewed 11 Jun 2026
Multiple Sclerosis
Chronic autoimmune demyelinating CNS disease causing relapsing neurologic deficits disseminated in time and space; leading non-traumatic cause of disability in young adults.
Reviewed 9 May 2026
Parkinson Disease
Progressive neurodegenerative disorder from loss of nigrostriatal dopaminergic neurons causing bradykinesia, rigidity, resting tremor and postural instability.
Reviewed 7 May 2026
Subarachnoid Hemorrhage
Bleeding into the subarachnoid space, most commonly from a ruptured saccular berry aneurysm; presents as sudden 'worst-ever' thunderclap headache with high early mortality.
Reviewed 14 Jul 2026
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