Vasculitis Flashcards
What is vasculitis?
How is it categorised?
Vessel inflammation leading to vessel damage, and in turn bleeding, stenosis and ischaemia.
The size of the vessel
Large vasculitis:
What 2 diseases cause this? - G, T
They are generally very dangerous due to the risk of impaired blood flow in such large vessels.
Giant cell arteritis
Takayasu’s arteritis
Medium vasculitis:
What 2 diseases cause this? - PN, KD
Polyarteritis Nodusa (PAN) Kawasaki's Disease
Small vasculitis:
Read card
Causes:
Immune complex related vasculitis
ANCA-associated vasculitis
Anti-GBM disease
Cyroglobinaemic vasculitis
IgA vasculitis (Henoch-Schonien Purpura)
YOU CAN READ MORE IN BOOK BUT THEY AREN’T NECESSARY TO KNOW!
Vasculitic Purpura:
How can you differentiate coagulopathic purpura from vasculitic purpura from how it feels?
How does VP tend to be distributed compared to CP?
How does the VP progress? - CP doesn’t progress
VP - raised and palpable
CP - flat
VP - localised - especially in shins
CP - a widespread rash
Often blister, necrose and ulcerate, while retaining an actively-inflamed, purple/red edge
Features of vasculitis:
Systemic symptoms - 5
Skin:
- What swells in livedo reticularis?
- What triggers it?
- What forms in the nailbeds?
- What do vasculitic ulcers look like?
Eyes:
- What becomes inflamed in the eye due to vasculitis?
Pulmonary:
- They get pulmonary haemorrhage. What sort of symptoms will they have?
Fever Malaise - there is overwhelming fatigue Weight loss Arthralgia Myalgia
Swelling of medium vessels due to cold or physiological processes
Nailbed infarcts
Blue-purple edge
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Episcleritis
Scleritis
Haemoptysis and SOB
Features of vasculitis:
Cardiac:
- What does coronary arteritis cause?
GI:
- Why could they get malabsorption?
It also has renal, neurological and GU effects!!!
MI and Angina
Chronic ischaemia