Acute Limb Ischaemia Flashcards
1
Q
Causes of sudden occlusion in limb ischaemia
A
Tumours, embolism, arthroembolism, arterial dissection, trauma, extrinsic compression.
2
Q
Clinical Features of ALI
A
Pain Pallor Pulseless Perishingly cold Paraesthesia (pins and needles) Paralysis
No prior claudication history
3
Q
0-4 hours of ALI
A
White foot, painful, sensorimotor deficit
Salvageable
4
Q
4-12 hours
A
Mottled, blanches on pressure.
Partially reversible
5
Q
> 12 hours
A
More mottling
Non blanching
Muscles tender / red
Paralysis
NON SALVAGEABLE. Do not attempt to revascularise, dead tissue releases toxins et potassium. Harm kidneys, heart.
