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Headaches Flashcards

(50 cards)

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1
Q

What are the 3 primary headache disorders?

A

Migraine
cluster
tension type

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2
Q

Name some secondary headaches

A 
meningitis
SAH
GCA
Idiopathic intracranial HTN
Medication overuse headaches
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3
Q

When to think about a secondary cause of headache? (SNOOP10) critera

A 
Systemic
Neurological symptoms and signs
Onset sudden
Onset >50
Phenotype
Pattern change
Pregnancy
Papillodema
Painful eye
Pathology
Precipitants
Posture
Post trauma
Painkillers
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4
Q

What are the 2 types of migraine

A

migraine with aura

migraine without aura

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5
Q

Global prevalence of migraine (affects how many people, common age, male or female preponderance)

A

1 in 7
25-55
females 33%, maes 13% lifetime prevalence

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6
Q

do we know the cause for migraine?

A

no - mixture between structural, functional, chemical, vascular and inflammatory changes

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7
Q

Features of a typical migraine

A
  • Typically unilateral
  • Pulsating / throbbing headache
  • Accompanied by nausea, vomiting, photophobia & phonophobia
  • Attacks typically last 4-72h
  • May have aura which are variable
  • Struggle to get comfortable and often prefer to rest in a dark room
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8
Q

Difference between chronic and episodic migraine

A

chronic = Headaches on more than 15 days of each month 8 of which have migraine features

episodic = less

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9
Q

What percentage of people experience migraine with aura, when does it occur?

A

1/3rd - hours before the migraine or with the migraine itself

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10
Q

Triggers for migraines

A 
Stress
bright lights
strong smells
certain foods - chocolate, cheese, wine, caffeine
dehydration
menstruation
abnormal sleeping patterns
trauma
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11
Q

5 stages of migraine

A
  • Premonitoryor prodromalstage (can begin 3 days before the headache)
  • Aura(lasting up to 60 minutes)
  • Headachestage (lasts 4-72 hours)
  • Resolutionstage (the headache can fade away or be relieved completely by vomiting or sleeping)
  • Postdromalorrecovery phase
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12
Q

signs showing red flags for migraine?

A
  1. Motor weakness
  2. Double vision
  3. Visual disturbances affecting only 1 eye
  4. Poor balance
  5. Decreased level of consciousness
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13
Q

For these red flag symptoms, what condition should you worried about and rule out?

  1. sudden severe onset headache
  2. worse on standing or lying down
  3. recent trauma
  4. triggered by valsalva manoeuvre
  5. fever, photophobia, neck stiffness
  6. visual changes
  7. age over 50
  8. immunodeficiency
  9. pregnancy
A
  1. sudden severe onset headache - SAH, venous sinus thrombosis, vertebral artery dissection.
  2. worse on standing or lying down - CSF leak, raised ICP, space occupying lesions.
  3. recent trauma - sundural haematoma
  4. triggered by valsalva manoeuvre - posterior fossa lesion or chiari 1 malformation
  5. fever, photophobia, neck stiffness - meningitis, encephalitis
  6. visual changes - GCA, glaucoma
  7. age over 50 - GCA and space occupying lesions
  8. immunodeficiency - increased risk of malignancy and infection
  9. pregnancy - pre-eclampsia and venous sinus thrombosis
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14
Q

Acute treatment options for migraine

A

Analgesia - NSAID or paracetamol (do not use codeine)

Triptans - sumotriptan at onset of headache

Anti-emetics - buccal prochlorperazine for nausea

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15
Q

Prophylaxis for migraine

A
  • avoid triggers
  • healthy lifestyle
  • propanolol, topiramate
  • amitriptyline if first 2 don’t work
  • riboflavin
  • acupuncture
  • botulinum toxin type A
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16
Q

What headache am i typically describing:

severe, unilateral, unbearable headache around the eye

A
  • cluster headache
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17
Q

Symptoms of cluster headaches

A

Often descibed as the most severe and intolerable pain.

  • Typically all unilateral
  • Red, swollen and watering eye
  • Pupil constriction (miosis)
  • Eyelid drooping (ptosis)
  • Nasal discharge
  • Facial sweating
  • People often feel restless and agitated during an attack
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18
Q

typical patient presenting with cluster headache

A

male, smoker, 30-50 yrs old

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19
Q

triggers for cluster headache

A

alcohol
strong smells
exercise

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20
Q

acute management of cluster headache

A

triptans

high flow oxygen

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21
Q

prophylaxis for cluster headache

Study These Flashcards
A

verapamil - calcium antagonists block entry of calcium ions into smooth muscle. This reduces blood vessel dilation which is responsible for the severe pain.
lithium
prednisolone - breaks cycle

22
Q

Characteristics of tension type headache

Study These Flashcards
A
  • Bilateral location
  • Pressing or tightening quality
  • Mild to moderate intensity
  • Not aggrevated by routine physical activity such as walking or climbing stairs
  • No nausea, no vomiting, no photophobia or phonophobia
23
Q

Management of episodic tension type headaches

Study These Flashcards
A

analgesia - paracetamol or nsaid

lifestyle - stress, depression, chronic illness, sleep disorder

24
Q

what is a medication overuse headache, how often does a person need to be taking medication to classify?
how do we manage it?

Study These Flashcards
A

This occurs when regular analgesia taken for symptomatic relief of typically primary headache causes or perpetuates the condition.
10/15 or more days a month for 3 months

stops when medication is stopped

25
what is GCA? | peak incidence?
Commonest vasculitis affecting large and medium sized vessels peak incidence 70-80yrs, rare below 50
26
complications of gca
may cause stroke if left untreated 1% | may cause blindness <20%
27
risk factors for gca
>50 females polymyalgia rheumatica in approx 50% of those with GCA
28
describe the pathogenesis of gca
Inflammation of medium and large sized arteries with preferential involvement of the branches from the carotid including, temporal, opthalmic, occipital. 1. initial inflammatory event recruits macrophages into vessel wall 2. vessel wall becomes damaged due to cytokine release 3. blood vessel wall thickens 4. lumen narrows leading to ischaemia and features of GCA
29
classical features of gca
- New localised headache (abrupt, unilateral & temporal) - Temporal artery thickening which is visible/palpable and a reduced temporal artery pulse - Visual symptoms (blurring, amaurosis fugax, diplopia, photopsia, visual loss) - Scalp tenderness (when brushing hair or resting head on pillow) - Jaw and tongue claudification caused by chewing or talking (ischaemia of the masseter muscle)
30
investigations for gca
temporal artery biopsy is the priniciple investigation showing mononuclear cell infiltration or granulomatous inflammation temporal artery ultrasound can show thickening of wall (halo sign)
31
management of gca
no delay in corticosteroid treatment - prednisolone | - IV methylprednisolone in those with visual loss followed by oral pred regime
32
name some features indicting a serious cause of headache
- New severe or unexpected headache - Progressive or persistent headache or headache which has changed dramatically - Associated features (fever, papilloedema, personality change, atypical aura, dizziness, visual disturbances, vomiting) - Contacts with similar symptoms (CO poisoning) - Precipitating factors (trauma, valsalva manouevre, worse on standing or laying) - Co-morbidities (immunocompromised or past malignancy) - Current or recent pregnancy (pre-eclampsia)
33
presentation of a space occupying lesion?
- new headache with papilloedema, vomiting, posture-related changes, headache waking pt from sleep - new headache with neurological symptoms or blackouts, change in personality or memory - unexplained headache becoming progressively worse - unexplained headache in someone previously diagnosed with cancer or HIV - new onset of epileptic seizures
34
For these signs, where would you expect the lesion to be? 1. depersonalisation, behaviour changes, emotional changes, hallucinations in smell, taste 2. Anosmia 3. inability to recognise familiar object if placed in hand, decreased 2-point discrimination 4. bitemporal hemianopia 5. loss of communication between lobes
1. temporal lobe 2. frontal lobe 3. parietal lobe 4. occipital lobe 5. corpus callosum
35
What are some things which can cause TMJ?
trauma - dental procedure, fall on chin, clenching or grinding teeth psychosocial disorders - stress, anxiety, depression chronic pain disorders - CFS, fibromyalgia, migraine, IBS things which affect the joint itself - osteo or rheumatoid arthritis - gout, pseudogout, spondyloarthropathy - infection - trauma
36
symptoms of TMJ?
- pain around the tmj (infront of ear) but can spread to head, neck and ear - restricted jaw movement - joint noise (popping, cracking) - ear symptoms (tinnitus, dizziness, headache) - locking jaw
37
what is trigeminal neuralgia, where is the pain, what is the most likely cause.
- Characterised by episodes of acute severe facial pain within the distribution of the trigeminal nerve - pain usually occurs around the jaw and lasts a couple of minutes. Can be triggered by eating, drinking, brushing teeth, talking. - Most commonly affects the maxillary and mandibular branches of the trigeminal nerve - 95% due to vascular compression
38
risk factors for trigeminal neuralgia
- female - advancing age - MS - family hx
39
treatment for trigeminal neuralgia
carbamazepine
40
what condition causes a thunderclap headache
SAH
41
what is the most common cause of SAH?
berry aneurysm rupture
42
common site of berry aneurysms?
junctions of posterior communicating arteries with internal arteries and anterior communicating with the anterior cerebral artery
43
risk factors for SAH
previous SAH | smoking, alcohol misuse, increase BP, bleeding disorders, family hx
44
investigations for SAH (3)
CT 95% sensitive in first 24h and can help localise source LP must be done if CT normal but SAH expected - look for xanthochromia (wait 12h) Cerebral angiography to check vessels
45
SAH management
- resuscitation - nimodipine - reduced vasospasm - intervention to stop bleeding - monitor for complications such as re-bleeding
46
What headache am I describing? - Headache worse on waking, coughing, sneezing, straining - Postural, worse lying down - Nausea and vomiting - papilloedema
SOL
47
In what patients is idiopathic intracranial hypertension most commonly seen?
females obese 30's drugs - tetracycline, steroids, nitrofurantoin, OCP
48
typical presentation of idiopathic intracranial hypertension
``` narrowed visual fields blurred vision diplopia 6th cranial nerve palsy enlarged blind spot if papillodema ```
49
management of idiopathic intracranial hypertension
weight loss monitor visual fields (Goldmans) drugs - acetazolamide, topiramate, loop diuretics
50
what would a LP & CT head for idiopathic intracranial hypertension show?
high CSF opening pressure but normal constituents | Normal CT head

Neurology (17 decks)

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