CHD: A Non-Communicable Disease (AQA GCSE Biology): Flashcards
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CHD definition
CHD definition
Narrowing of coronary arteries by fatty material, reducing oxygen to heart
CHD communicability
CHD communicability
Non-communicable (not infectious)
What are stents
What are stents
Metal mesh tubes inserted to keep arteries open
Stent advantages
Stent advantages
Effective, lowers heart attack risk, quick recovery
Stent disadvantages
Stent disadvantages
Risk of heart attack, infection, blood clots
What are statins
What are statins
Drugs that reduce LDL cholesterol levels
What statins reduce
What statins reduce
LDL (bad) cholesterol
Statins effect on HDL
Statins effect on HDL
Increase HDL (good) cholesterol levels
Biological valve lifespan
Biological valve lifespan
12-15 years
Mechanical valve requirement
Mechanical valve requirement
Lifelong medication to prevent blood clots
Artificial heart rejection risk
Artificial heart rejection risk
Less likely - metal/plastic not recognised as foreign
Artificial blood use
Artificial blood use
Saline solution keeps patient alive after losing up to 2/3 red blood cells
Artificial blood limitation
Artificial blood limitation
Only short-term; blood transfusion needed eventually
Heart valve problems
Heart valve problems
Become stiff or leak, reducing heart efficiency
Atherosclerosis meaning
Atherosclerosis meaning
Build-up of fatty material in arteries