Heart Valves

Question 1

What happens if a valve doesnt fully open

Answer 1

restricts blood flow making heart work harder

Question 2

what if valve doesnt fully close

Answer 2

makes blood leak back into heart

Question 3

what are the ways of replacing a malfunctioning valve

Answer 3

get an artificial valve
get a biological valve

Question 4

what are the advantages of an artificial valve

Answer 4

they last long
lets blood flow normally

Question 5

what are the negatives of an artificial valve

Answer 5

you have to take anti blood clotting medication after to avoid clots at the valve
need anesthetic to have put in
reduced platelet count leads to more bleeding
metal and plastic

Question 6

what are the advantages of a biological valve

Answer 6

don’t need anti clotting medication after

Question 7

what are the negatives of a biological valve

Answer 7

ethical issues using human or animal valve
don’t last more then 10 years
valves aren’t always accepted because of different antigens in them - resulting in immunosuppresants being used.
immunosuppresants lower immunity making you more susceptible to illness