2.2.4 Heart Transplant, Artificial Heart And Leaky Valves Flashcards
Reasons for heart transplants
Hole in heart
Heart failure/infection
Structural defect
Scientific arguments for heart transplants
-Allows heart to pump blood effectively
-Long-term cure if successful
Scientific arguments against heart transplants
-Not enough donors
- Risky operation
Social arguments for heart transplants
Prolongs life
Better quality of life
Social arguments against heart transplants
Expensive
Patient stays in hospital for a long time
Scientific arguments for artificial heart
Supports natural heart
Small chance of rejection
Scientific arguments against artificial heart
Risky operation
Risk of blood clotting
Social arguments for artificial heart
Prolong life
Better quality of life
Social arguments against artificial heart
Extremely expensive
Patients have to spend a long time in the hospital
What causes a leaky valve to develop
Withstanding a lot of pressure
Problems leaky valves can cause
Breathlessness
Treatments for leaky valves
Mechanical valves
Biological valves
Disadvantage of mechanical valves
You have to take Medicine for the rest of your life
Disadvantage of Biological valves
Only last 12-15 years
Function of natural pacemaker
Correct irregularities in the heart rate