T3 Abscess & Chronic leg ulcer Flashcards
1
Q
what causes rubor
A
vasodilation
2
Q
what causes calor
A
- hyperaemia
- systemic +++ in temp (cytokines)
3
Q
what causes tumor
A
- localised oedema
4
Q
what causes dolor
A
- cytokines
- physical pressure
5
Q
what causes functio laesa
A
- pain
- swelling
6
Q
what is suppuration & what are the contents
A
- formation of pus
- neutrophils (living&dead), debris, bacteria
7
Q
what bacteria causes suppuration
A
pyogenic (staphy., strepto., gonococcus)
8
Q
what does suppuration lead to
A
abscess
9
Q
why should pus from abscess be put in saline
A
preserves pus from drying out
10
Q
why should pus from abscess not be put in formalin
A
formalin kills organisms
11
Q
What is lost in ulcer
A
Epidermis & dermis (deep)
12
Q
Risk factors of venous leg ulcer
A
- valvular incompetence (valves cant push blood up)
- damage to venous system
- obesity, immobility
13
Q
Why does immobility contribute to venous ulcer
A
Pooling —> venous hypertension
14
Q
History of venous ulcers
A
- varicose veins
- leg swelling
- DVT/PE
- sitting
- throbbing/aching in calves
- high BP
- pregnancies
- previous surgery
- fractures/injuries
- +++ age & immobility
15
Q
Examination area of VU
A
- Medial gaiter
- associated hypertension
