dvt and pe - venous thrmobemblism Flashcards

1
Q

what is a thrmbous made up of

A

fibin, plateles adn rbc

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2
Q

what causes the intrici pathway of coaguatln casscade

A

spontaneous internal damge to the endothelium

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3
Q

what cuases the entixic coaguatio casscade to activate

A

response to external trauma

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4
Q

what is the noram cause of artearl thrombus

A

plaque ruputre

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5
Q

where does arteail thrombus noramlly occur

A

arteries, left heart chambers

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6
Q

what is the reuslt of a arterial thombus

A

ischamia and infraction

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7
Q

what disease are cuased by arterial thrombois

A

acture coronary syndoem, ishcmi stoke, limb claudication/ ischamia

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8
Q

what color often is a venous thromhous and what is it made out of

A

white, made of platelets and fibrin - clot

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9
Q

what cuses venous thrombous

A

chanes in vircow tria, statin and hypercaougion

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10
Q

wher do venous thrombos occur

A

venous vales, and venosu sinsuoids of musle

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11
Q

what do venous fthnmo resutl in

A

back pressure of blood across vales, cuasing rbc depsion

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12
Q

what disease arece caused by venous thromnbs

A

dvt, pe

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13
Q

what is the comptois of venous throms,

A

rbc and fibrin

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14
Q

what can cuse endotehal dysfuciotn

A

hypertension, smokng hich colestal

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15
Q

what cand cause dnothela damge,

A

indeweling veous cathers, trauma, surgury

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16
Q

what can cuase hypercoaguion

A

pregnancy, cancer sepsis

17
Q

what can cause blood statis

A

immobilty, long hall travel

18
Q

what can be teh side effects of vicearl venous thrmobosis

A

budd chiari

19
Q

what cna be the side effects of interacraila venous thromnos

A

sagittal sinus thrombosi

20
Q

high risk factors fro venous throboem bolism

A

surgruy, obsteics, e.g. preganciy, caeseation seccion, puerperium
Adomial / pelicv cmoligaty
Reduced pmoglibity,

21
Q

minro risk factors for vneous thromboembolis

A

Cardio – congenital heart diase, congestive heart failure, hyperteniosn, superficial venous thrombosis, indwelling central vein cathareter

Ostegation, oral cogtaeive, hrt
miscellaneous e.g copd – calculate malignant, thrombi disorder

22
Q

what is the preveneion of vtehm in soal

A

early mobilaion,, anti embolc stoking
meahcail methos of htrjborprolisx
pharacoligcal thromboroalxis

23
Q

what are teh signs and simptoms of dvt

A

uliatler limb swlling, persiatn discomefor, calf tendorness, walkf in legg, reduness, promial collaterla veins,

24
Q

what is the scoring isystem used to diagnose likey hood of dvt and criter for liley / uninle

A

welll - likely 2 or greater
unlikley 2 or less

25
whta is d dimer
breakdonw of cros linked fibrin, prode uding fibris
26
what caun cause d dimer
pe, dvt, trauma, malinay, bleeding, cancer, recent sufgyr, pregnacy
27
what are the signs and symtpos of a regular pe
pleuritic chest pain, breathlessness , blood in sputum, rapid heart rate, prla rub on causation due to pulmary infraction
28
what are the signs and symptoms of a massive pulmonary embolism
severe dysponea of sudden onset collapese, blue lips and tongue , tachycardia, low blood pressure, raised juglar venous pressure, sudden death
29
what wells score for pe is signciatin
greater or eqal to 4.5
30
what risk assesmte should be doen tfor vte
dash scoe - disabilty herdeeo 2 - for
31
how long should anticoation be for vte
- 3/12 mtos if provaked unprovedk and high risk of recurrence - life long
32
what are the iv and oral tramtemt for vte
low molcearwigh heapin - iv - firls in unfatio heapain - for intaiisc pathwy - iv direct oral anticaion - riavoaxan and direct htormbin hinhiros - digoabn warfarin, iibtor or viti kh
33
what are invlued in direct oral anticoagulaton
direct throbin inbor, e..g dabigatran adn 10 a inbritgs, rivaxoan
34
what is teh non mecal treamt for dvts/ pes
surcial if masive alteplase
35
what is teh name of a common clot buster
alteplase - turn plasminogen to plasmin
36
what are the logn term consees of dvt
post thromi sydneom swelling, discomfro, pigmet and ulceroin in severe forms
37
what are the long term conseques of pulmonary embols
pulmary hypertins in sevre condtions