AAA <4cm surveillance
USS 1 yearly
AAA >4cm surveillance
USS 6 monthly
Surgery indicated on what AAA size
<5.5
ABPI > 1.2
vessel calcification/DM
ABPI 1-1.2
normal
ABPI 0.8-1
minor stenosis
risk factor mx
ABPI 0.5-0.8
moderate stenosis
consider duplex
risk factor mx
avoid compression bandage if mixed ulcers present
ABPI 0.3-0.5
significant stenosis
duplex needed
compression bandage contraindicated
ABPI <0.3
critical ischaemia
urgent imaging
Lymphoedema present from birth <1 years
Milroy’s disease
Lymphoedema onset 1-35 years
Meige’s disease
Lymphoedema onset >35 years
Lymphoedema tarda
Tetralogy of Fallot features
VSD RVH R ventricular outflow tract obstruction Pulmonary stenosis Overriding aorta
Pathophysiology of AAA
loss of the intimacy with loss of elastic fibres from media