CHD: A Non-Communicable Disease (AQA GCSE Biology Combined Science): Flashcards
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Cause of CHD
Cause of CHD
Build-up of fatty material in coronary arteries (atherosclerosis)
Is CHD communicable or non-communicable?
Is CHD communicable or non-communicable?
Non-communicable
What are stents?
What are stents?
Metal mesh tubes inserted to keep arteries open
Function of statins
Function of statins
Reduce LDL cholesterol levels
LDL cholesterol
LDL cholesterol
Low-density lipoprotein ('bad' cholesterol)
HDL cholesterol
HDL cholesterol
High-density lipoprotein ('good' cholesterol)
Lifespan of biological heart valves
Lifespan of biological heart valves
12-15 years
Disadvantage of mechanical valves
Disadvantage of mechanical valves
Requires lifelong medication to prevent blood clots
When are artificial hearts used?
When are artificial hearts used?
Temporary solution while waiting for donor heart
Max red blood cell loss with artificial blood
Max red blood cell loss with artificial blood
Up to two-thirds