Neurology 2 Flashcards

1
Q

If someone has episodic memory loss what is the likely diagnosis?

A

Alzheimers

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2
Q

If someone has semantic memory loss, what is the likely diagnosis?

A

Semantic memory dementia: Frontal lobe variant

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3
Q

If someone is unable to maintain attention, what is the likely cause?

A

Delirium

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4
Q

How are SAHs graded?

A

Via the GCS score

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5
Q

What is the product being looked for in the CSF to diagnose a SAH?

A

Xanthochromia

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6
Q

Outwith a CT, what other investigations should be carried out in a SAH?

A

U&Es
- hyponatremia usually present - more brain swelling

ECG
- catecholamine release

Troponin levels
- in case of cardio damage

Echo of heart

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7
Q

What drug is given in SAH to prevent delayed ischemia?

A

Nimodipine

- Ca2+ channel blocker

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8
Q

out with a thunderclap headache, what other features are found in SAH?

A

Meningism

Seizures

Vomiting

Photophobia

Terson’s Syndrome
- vitreous hemorrhage

Papilledema

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9
Q

What nerves can the brain sense itself?

A

5th

9th

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10
Q

What are the major types of headache?

A

Primary

  • headache and underlying features are cause
  • migraine
  • tension

Secondary

  • subarachnoid
  • meningitis
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11
Q

What are the stages of a migraine?

A

Prodrome

  • mood disturbance
  • photophobia

Aura

  • scotoma
  • flashing lughts

Migraine attack
- pain

Postdrome
- mild headache following

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12
Q

What is the pathophysiology of migraines?

A

Aura:
- wave of cortical depression causing depressed activity from the occipital lobe moving anteriorly

Migraine pain:

  • trigeminovascular system
  • large intracranial vessels supplied by V1.

release of:

  • CGRP
  • Substance P
  • Serotonin
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13
Q

What is the management of migraines?

A

Avoid triggers

High dose aspirin

Triptans

Anti - emetics
- metoclopramide

Prophylaxis

  • propranolol
  • amitriptyline
  • valproate
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14
Q

What are the red flag symptoms for headaches?

A

> 50 years old

Thunderclap

Focal/ Non-focal symptoms

Intracranial pressure signs

Early morning headaches

Previous history of cancer

Systemic symptoms
- weight loss

Temporal artery
- jae claudication

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15
Q

What is the risk with using opioids in headache pain?

A

Medication overuse headaches

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16
Q

Whats the medical term for cluster headaches?

A

Trigeminal Autonomic Cephalgias

17
Q

Where are most berry aneurysms located?

A

Anterior communication/ anterior cerebral artery junction

18
Q

Where is second most common area for berry aneurysm?

A

Bifurcation of the middle cerebral artery

19
Q

What are some other causes of SAH outwith berry aneurysm?

A

AVM

Coagulopathies

Trauma

20
Q

What are some risk factors for SAH?

A

Smoking

Female

Hypertension

Polycystic disease

21
Q

What are some complications following a SAH?

A

Hemorrhage
- within 72 hours

Delayed ischemia
- blood vessel constriction

Hyponatremia

Hydrocephalus
- obstruction to CFS

seizures

DVT

22
Q

Whats the causes of hyponatremia in SAH patients?

A

Cerebral salt wasting

SIADH

to do with the total body weight of the patients.

23
Q

What the management of SAH?

A

Referral to neurosurgical unit

Supportive stockings

Fluids - saline

Nimodipine

dihydrocodeine

Phenytoin if seizures