2.8 coronary heart disease

Question 1

what is coronary heart disease?

Answer 1

-layers of fatty material build up inside coronary arteries, narrowing them, reducing blood flow in coronary arteries, lack of oxygen for heart muscle

Question 2

what is atherosclerosis?

Answer 2

• walls of arteries become fumed up with fatty deposits narrowing them

Question 3

what are causes of CHD?

Answer 3

-lifestyle factors e.g smoking, regularly drinking alcohol, foods high in cholesterol

Question 4

what are stents?

Answer 4

• metal cylinder inserted into artery to maintain blood flow by keeping artery open

Question 5

what are advantages of stents?

Answer 5

• lower heart attack risk
  -last longer
• quick recovery time

Question 6

what are disadvantages of stents?

Answer 6

• operation risks e.g infection, heart attacks
• risk of thrombosis/blood clot near Stent

Question 7

what is a statin?

Answer 7

• drugs that lower harmful cholesterol in blood, stops liver producing too. much cholesterol, reduce deposits of it

Question 8

what are advantages of mechanical heart transplant?

Answer 8

• body doesn’t reject it
• emergency situations whilst waiting for donor

Question 9

what are disadvantages for mechanical heart transplant?

Answer 9

• doesn’t last long
• not permanent
• cause infection

Question 10

what are advantages of animal heart transplant?

Answer 10

• last longer
  -less surgeries
• less chance of infection

Question 11

what are disadvantages of animal heart transplant?

Answer 11

-body can reject it
- long waiting list
- long term medication (immunosuppressant drugs)