the heart Flashcards
1
Q
What happens if the coronary
arteries narrow?
A
Less oxygen to the heart,
pain, heart attack, death.
2
Q
How do doctor’s treat
coronary disease?
A
Stents- widens the blood
vessel, more oxygen.
By-pass surgery- replace
faulty arteries with bits of
vein (general anaesthetic)
Statins- drugs to reduce
cholesterol levels
3
Q
what are biological valves?
A
Taken from pigs and cattle.
No need for medication.
Only last 12-15 years.
4
Q
Where is the heart’s natural
pacemaker?
A
Right atrium
5
Q
What is an artificial pacemaker?
A
Electrical device used to correct
irregularities in the heart rate.
6
Q
When is an artificial heart
used?
A
Patients waiting for a heart
transplant or patients with a
diseased heart that needs time
to recover.
