Movement disorders. 1️⃣ Basal Ganglia 🔹 Disorders: Parkinsonism… — doctor's notebook

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Movement disorders.
1️⃣ Basal Ganglia
🔹 Disorders: Parkinsonism, chorea, dystonia
🔹 Clues: Resting tremor, rigidity, bradykinesia, abnormal postures
🔹 Common causes: Parkinson’s disease, Huntington’s disease, drugs, stroke

2️⃣ Thalamus
🔹 Disorders: Tremor, hemiballismus
🔹 Clues: Contralateral involuntary movements
🔹 Common causes: Stroke, hemorrhage, multiple sclerosis

3️⃣ Cerebellum
🔹 Disorders: Ataxia, intention tremor, dysmetria
🔹 Clues: Gait instability, nystagmus, dysdiadochokinesia
🔹 Common causes: Stroke, tumors, alcohol, multiple sclerosis

4️⃣ Brainstem
🔹 Disorders: Tremor, dystonia, parkinsonism
🔹 Clues: Cranial nerve deficits with long tract signs
🔹 Common causes: Stroke, tumors, neurodegenerative diseases

5️⃣ Spinal Cord
🔹 Disorders: Spasticity, clonus, segmental myoclonus
🔹 Clues: UMN signs below the lesion with sensory level
🔹 Common causes: Trauma, transverse myelitis, multiple sclerosis.

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