Disorders of haemostasis Flashcards
what are abnormal disorders of haemostasis?
thrombosis, embolism
formation of blood clot
obstructing blood flow
what are arterial disorders of haemostasis?
white clot: (lack of blood flow)
CVA
MI: antiplatelet & thrombolysis
what are venous disorders of haemostasis?
red clot: (deoxygenated blood)
DVT
PE: anti-coagulation
what are other uses of antiplatelets & anticoagulants?
patient in pro-thrombotic state
primary prevention
what are the components fo virchow’s triad?
blood component: hypercoagulability (genetic VS enquired)
vessel wall: endothelial damage
blood flow: stasis
what are genetic causes of hypercoagulable state?
protein C & S deficiency
factor V Leiden: mutated factor V (causing hypercoagulabe)
what are enquired hypercoagulable state causes?
antiphospholipid syndrome OCP smoking malignancy prosthetic heart valve
what are arterial causes of endothelial damage?
atheroma (MI, CVA)
hypertension
Toxin: cigarettes, homocysteine
what are arterial cause of stasis of blood flow?
cardiac abnormality (arterial) AF, congestive HF (CCF), mitral valve disease (left, CO), post MI (ectopic foci)
what are venous cause of stasis of blood flow?
immobility & thrombosis:
- ill health
- post-op (immobility)
- economical class