NEET MDS Lessons
Periodontology
🗣 Speech & Language
| Area | Location | Damage Effect |
|---|---|---|
| Broca’s | Dominant inferior frontal gyrus | Motor aphasia (impaired expression) |
| Wernicke’s | Dominant superior temporal gyrus | Fluent but irrelevant speech |
😵💫 Headache & Migraine
- Pain-sensitive meningeal layer: Dura
- Ophthalmoplegic migraine: III nerve palsy
- Telcagepant: New anti-migraine drug
🧠 Stroke & Hemorrhage
- Stroke in young women (India): Cortical vein thrombosis
- Commonest CVA cause: Embolism
- ICH most commonly due to: Intracerebral hemorrhage (trauma)
- Infarction site → hemiplegia: MCA territory
- Thrombolytic for stroke: Tissue plasminogen activator (tPA)
- Carotid stenosis management: Aspirin reduces TIA risk
🧠 Cranial Nerves
- Trigeminal nerve disorder: Tic Douloureux
- UMN VII palsy: Contralateral lower face paresis
- Ramsay – Hunt syndrome: Herpes virus
- Griesinger’s sign: Sigmoid sinus thrombosis
🧠 Parkinsonism
- Cause: Wilson disease (Copper accumulation)
- Lazabemide: MAO-B inhibitor