Allergic Rhinitis, Epistaxis Flashcards

1
Q

What is allergic rhinitis?

A

An inflammatory disorder of the nose where the nose become sensitised to allergens such as house dust mites and grass, tree and weed pollens.

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2
Q

Features of allergic rhinitis?

A
  • sneezing
  • bilateral nasal obstruction
  • clear nasal discharge
  • post-nasal drip
  • nasal pruritus
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3
Q

Mx od allergic rhinitis?

A

1) allergen avoidance

2) oral or intranasal antihistamines

3) intranasal steroids

4) oral steroids

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4
Q

What can epistaxis be split into?

A

Anterior & posterior bleeds

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5
Q

Cause of anterior epistaxis?

A

Usually has a visible source of bleeding.

Occurs due to an insult to the network of capillaries that form Kiesselbach’s plexus.

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6
Q

Does anterior or posterior epistaxis often have a visible source of bleeding?

A

Anterior

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7
Q

Does anterior or posterior epistaxis tend to be more profuse?

A

Posterior - originate from deep structures

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8
Q

Risks of a posterior epistaxis?

A

Risk of aspiration and airway compromise

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9
Q

Give some causes of epistaxis

A

1) benign

2) trauma to nose

3) insertion of foreign bodies

4) bleeding disorders:
- immune thrombocytopenia
- Waldenstrom’s macroglobulinaemia

5) juvenile angiofibroma

6) cocaine use

7) hereditary haemorrhagic telangiectasia

8) granulomatosis with polyangiitis

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10
Q

What is a juvenile angiofibroma?

A

benign tumour that is highly vascularised

seen in adolescent males

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11
Q

Typical age of onset of otosclerosis?

A

15-45 y/o

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12
Q
A
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