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Causes of heart disease

Genetic factors
o Smoking
o Lack of regular exercise
o Stress ­ leading to a faster heart rate
o Alcohol
o Poor diet

CHD is caused by a build-up of fatty deposits (atheroma - cholesterol and
other waste substances) on the walls of the coronary…

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This is when the atheroma breaks through the lining (endothelium).
It forms a rough surface which interrupts the smooth flow of blood.
This may result in a blood clot (thrombus).
This can cause a complete blockage, or become dislodged and block a
blood vessel elsewhere.

Atheroma plaques damage…


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