B5C running repairs

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what are the consequence of a hole in the heart ?
blood can move directly from one side of the heart to the other side of the heart. less oxygen in the blood. can require correction by surgery.
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what are the consequence of damaged or weak valves in the heart?
reduced blood circulation. require replacement by artificial valves.
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what are the consequences of a blocked coronary artery ?
reduced blood flow to the heart muscle. require treatment by the by by-pass surgery
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how does a heart assist device help?
it helps to pump the blood. reduces the work done by the heart
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how does a hole in the heart reduce oxygen in blood?
when the oxygenated and deoxygenated blood mixes it decreases the amount of oxygenated blood carried through the body to the muscle.
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why can an unborn baby have a hole in their heart ?
the babies lungs are not fully developed therefore the baby is supplied by the mother with oxygenated blood from the placenta.
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why does the hole in the heart usually close right after birth?
when a baby is born it is not suppied with oxygenated blood from the placenta, by that time the baby has developed its own lungs and therefore it is able to breath by itself that is why the hole must close up so they dont 'bloods'mix.
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what are the advantages and disadvantages of a pacemaker over a heart transplant?
less chance of a traumatic and difficult operation and less risk of a body rejection but there is a greater risk of the device needing to be replaced. transplants dont need to be replaced but have to take immuno-suppressive drug against rejection
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which part of the blood carries the red and white blood cells ?
plasma
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what are platelets ?
small pieces of a cell
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what are the main valves in the heart ?
tricuspid, bicuspid, semi-luna valves
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which blocked artery can cause a heart attack?
coronary artery
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in a coronary artery by-pass surgery, which major artery do the veins connect to?
aorta
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what happens when you cut your finger?
your blood clots up
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what are the names of the main blood groups ?
A,B,AB,O and rhesus negative/positive
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why is it important for blood to clot?
so the wound can be sealed so no pathogens can enter
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why are some people prescribed warfarin or heparin?
to control blood clotting
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why do people with haemophilia have to take special precautions?
because their blood doesnt clot so if they get cut they will constantly bleed
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Other cards in this set

Card 2

Front

what are the consequence of damaged or weak valves in the heart?

Back

reduced blood circulation. require replacement by artificial valves.

Card 3

Front

what are the consequences of a blocked coronary artery ?

Back

Preview of the front of card 3

Card 4

Front

how does a heart assist device help?

Back

Preview of the front of card 4

Card 5

Front

how does a hole in the heart reduce oxygen in blood?

Back

Preview of the front of card 5
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