Vascular Disease Flashcards
what does intrinsic activation of the coagulation cascade involve?
activation of factor XII
what does prothrombin time (PT) measure?
the time intrinsic activation of the coagulation cascade takes
what is the more common mechanism for activating the coagulation cascade?
extrinsic activation
what starts the extrinsic activation of the coagulation cascade?
tissue factor
what is the end point of the coagulation cascade?
prothrombin to thrombin
thrombin converting fibrinogen to fibrin
what three factors favour the process of thrombosis?
endothelial injury
turbulent blood flow
hypercoagulable blood
what is an embolism?
a thrombus that has travelled through blood vessels and has gotten stuck
what is ischaemia?
insufficient blood supply to an area
what is infarction?
death of a tissue as a result of ischaemia
name five types of embolism that are not blood clots
air amniotic fluid fat tumour septic