bar
barrier
blank wall
blind alley
blind gut
block
blockade
blockage
bottleneck
cecum
choking
choking off
clog
congestion
constipation
costiveness
cul-de-sac
dead end
embolus
gorge
impasse
impediment
infarct
infarction
intercalation
jam
obstacle
obstipation
obstruction
sealing off
stop
stoppage
strangulation
interval
time interval
angiogram
arrhythmia
arteriosclerosis
catheterization
decompensation
emboli
haemorrhage
hematoma
hemorrhage
hypertension
occlusion
oedema
phlebitis
retinitis
sclerosis
sepsis
thromboembolism
vasculature
vasculitis
vasoconstriction
vasodilator