Neurology — Flashcards

Flashcard 661: Essential tremors have a bimodal distribution in _____-40 year olds and >60 year olds

Answer: 20

Flashcard 662: Essential tremors are typically _____

Answer: bilateral

Flashcard 663: Encephalitis then progresses to _____: AMS/confusion, seizures, & dysphasia

Answer: parenchymal signs

Flashcard 664: What are the first-line pharmacological management for essential tremor? _____ or primidone

Answer: Propranolol

Flashcard 665: Patients with encephalitis & hydrophobia, hallucinations, anxiety may suggest an underlying cause of _____

Answer: Rabies

Flashcard 666: What is the likely diagnosis in a child with a history of tetralogy of Fallot and recurrent sinusitis that presents with a two-week history of worsening morning headaches, fever, focal neurological deficits, and a recent first-time seizure? _____

Answer: Brain abscess

Flashcard 667: Triad of symptoms for a brain abscess are _____, focal neurological deficits, & fever

Answer: headaches (dull, constant, progressively worsening ± localised)

Flashcard 668: Which main cerebral artery (via its lenticulostriate branches) supplies the genu and posterior limb of the internal capsule? _____

Answer: Middle cerebral artery

Extra: Internal Capsule Blood Supply: - Anterior Limb: ACA (Recurrent artery of Heubner) and MCA (Lenticulostriate branches). - Genu: Primarily MCA (Lenticulostriate branches). - Posterior Limb: MCA (Lenticulostriate branches) and Anterior Choroidal Artery.

Flashcard 669: Patients with encephalitis & parotid gland swelling may suggest an underlying cause of _____

Answer: mumps

Flashcard 670: Best initial test for suspected brain abscess: _____

Answer: Contrast-enhanced CT scan

Extra: Brain abscess classic appearance: Ring-enhancing lesion with central necrosis and surrounding vasogenic edema. \nNote: Lumbar puncture is generally contraindicated if a brain abscess is suspected due to the risk of herniation.