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Path I > quiz5 > Flashcards

quiz5 Flashcards

1
Q

enlargement of the thrombus in areas open to clotting factors and their activation; therefore usually in veins where flow is slow and are bifurcations

A

propagation

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2
Q

1 cause of death in USA

A

Infarction

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3
Q

region of necrosis caused by oxygen oxygen deficiency

A

infarct

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4
Q

white infarct

A

develops in tissues that have 1 blood vessel supply

ie: coronary

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5
Q

red infarct

A

tissue is supplied by 2+ blood vessels

ie: lungs pulmonary and bronchial artery

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6
Q

most common infarction

A

myocardial infarction

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7
Q

brain infarction aka

A

ischemic stroke

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8
Q

most common area for stroke

A

ischemic stroke

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9
Q

what is followed by replacement of lost heart tissue

A

coagulative necrosis

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10
Q

what kind of necrosis happens in an ischemic stroke

A

liquefactive necrosis with cavity formation

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11
Q

what is responsible for repairing the lost brain tissue

A

neuroglia doesnt shrink

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12
Q

why is neuroglia responsible for repairing brain tissue

A

because if CT were responsible for repair it would further damage the brain because CT shrinks as it heals.

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13
Q

process of repair via neuroglia in the brain does not shrink which is a huge advantage for the brain

A

gliosis

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14
Q

MCC of infarction is

A

thrombosis

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15
Q

obstruction in basilar artery

A

stroke

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16
Q

obstruction in coronary artery

A

myocardial infarct

17
Q

swelling of inflammed tissue due to autoimmune disease

A

vasculitis

18
Q

most common factor that results in infarction

A

athrosclerosis

19
Q

temporal arteritis aka

A

giant cell arteritis
hortons disease
acute/chronic granulomatous vasculitis

20
Q

symptoms of arterial infarction

A

HA
arteries are visible and tender upon palpation
fever
weakness
temp loss of vision can result in blindness
NSAIDS dont work

21
Q

what is the main treatment for arterial infarction

A

corticosteroids therapy

22
Q

what often accompanied arterial infarction?

A

polymyalgia rheumatic

23
Q

venous infarctions

A

paraesophegeal hernia

sheehans syndrome

24
Q

stomach protrudes through diaphragm into thoracic cavity
flexion/compression of the diaphragm veins of the stomach are occluded preventing outlfow of venous blood(arteries are not occluded because the pressure is higher)
leads to increased hydrostatic pressure in the veins

A

paraesophegeal hernia

25
Q 
postpartum syndrome
anterior pituitary  (adenohypophysis) doesnt have an arterial blood supply and instead receives blood via venous plexus 
complications during delivery = hemorrhaging
body responds with vasoconstriction body wide
causing vasoconstriction of venous plexus supplying ant pit causing necrosis and loss of function of ant pit
A

sheehans syndrome

26
Q

factors affecting infarction

A

tissues innate vulnerability to hypoxia
pattern of vascular supply
oxygen delivering capacity
rate of occulsion development

27
Q

sudden occlusion of blood vessels

A

embolism

28
Q

abnormal mass moving with the bloodstream

A

embolus

29
Q

most common type of embolism

A

thromboembolism

30
Q

2 types of thromboemoblism

A

venous

arterial

31
Q

thrombus develops and can easily flow to the heart because vein lumen size increases as it approached the heart
reaches lung capillaries-stops and obstructs blood flow=infarct in lung
always ends in lung

A

venous thromboemoblism

32
Q

thrombus forms in the left artium–> L vent–>aorta–> well blood supplied organs

A

arterial thromboembolism

33
Q

GI thromboembolism from

A

GI tumors

34
Q

where does it travel to first in GI thromboembolism

A

liver via hepatic portal vein stops in liver capillaries

35
Q

sources of heart thrombus

A

mitral stenosis
bacterial endocarditis
artifical valve

36
Q

from long bone fracture> enters venous circulation> travel towards lungs
can cross capillaries and travel in reverse direction to the brain causing purpuric brain hemorrhages

A

fat embolism

37
Q

rare childbirth (obstetric) emergency in which amniotic fluid, fetal cells, hair, or other debris enters the mother’s blood stream via the placental bed of the uterus and triggers an allergic-like reaction.

A

amniotic fluid embolism (AFE)

38
Q

gas within the vessels would increase pressure. blockage of fluid flow

A

air embolism

Path I (5 decks)

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