haematological emergencies large group Flashcards
what are the coagulation tests that should be ordered for a COVID patient ?
D-dimer
Prothrombin
Platelet
Fibrinogen
in that order of imp
what is the management for PE ?
oxygen therapy
pain relief
anticoagulant therapy
what workup should be performed for a patient when looking for familial thrombophilia ?
1- test for protein c or protein s deficiencies
2- anti thrombin deficiency
3- factor V leiden or MTHFR mutation
what advice should patients with thrombophilia take ?
avoid oral contraceptives
wear compression socks when they have long flights
avoid smoking
get other family members tested
what is the advantage of LMWH over unfractionated heparin ?
LMWH has long half life and it has a more predictable dose-response
what is the normal INR value ?
in patient not on anticoaglation therapy - 1
therapeutic aim 2-3
what is the effect of warfarin on INR ?
warfarin slows down how long it takes for blood clots to form
so the INR increases
what does prolonged PT and PTT indicate ?
deficiency in coagulation factors
how does warfarin affect coagulation factors ?
warfarin depletes vitamin k which is necessary for the activation of coagulation factors
what drug is contraindicated to warfarin ?
amiodarone
what is coumadin ?
warfarin
what is the most appropriate management for warfarin toxicity ?
stop warfarin
continue on a low dose of warfarin only when the INR reaches 1.56
what does a short PTT indicate ?
higher chance of thrombus occurring
what is the pre op management of a patient with factor 12 deficiency ?
no management doesn’t cause bleeding
what further investigation can be done to find the specific cause of prolonged or abnormal Pt and PTT?
mixing study