Neurology — Flashcards

Flashcard 661: Triad of symptoms for a brain abscess are _____, focal neurological deficits, & fever

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

Flashcard 662: 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 663: Patients with encephalitis & parotid gland swelling may suggest an underlying cause of _____

Answer: mumps

Flashcard 664: 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.

Flashcard 665: Drinking alcohol _____ essential tremors

Answer: relieves

Flashcard 666: Which cerebral artery supplies the medial surface of the frontal/parietal lobes? _____

Answer: Anterior cerebral artery

Flashcard 667: A _____ is a temporary (< 24 hours) episode of neurological dysfunction caused by focal cerebral, spinal, or retinal ischaemia without acute infarction

Answer: transient ischaemic attack (TIA)

Flashcard 668: Patients with encephalitis & cold sores may suggest an underlying cause by _____

Answer: HSV-1

Flashcard 669: Patients with encephalitis & hydrophobia, hallucinations, anxiety may suggest an underlying cause of _____

Answer: Rabies

Flashcard 670: TIAs typically resolve completely within _____

Answer: 1 hour