the heart Flashcards
where are heart valves found
between the atriums and ventricles
what is the function of heart valves
to prevent backflow of blood
mechanical valves advantages and disadvantages
made from metal
+ they last a lifetime
- you have to take medicine for life
biological valves advantages and disadvantages
made from pigs/cows (animals)
+ no medicine
- only last for approx 12-15 years
stent and statins
stent - metal mesh placed in artery, tiny balloon to open blood vessel
statin - drug that reduces the amount of bad cholesterol in your blood, reduces risks of strokes and heart attacks
pacemakers
controls the basic rhythm of your heart, in the right atrium
the heart system
blood enters the right atrium at the vena cava and the left at pulmonary vein then moves down to the ventricles and then exits at the right at the pulminary artery and left at the aorta