Causes of ischemia

There are several causes for the development of Ischaemic heart disease. Among them we can count: diabetes, cholesterol level, smoking, obesity, hypertension (high blood pressure), emotional stress, high-fat diet, lack of exercise, abnormal heart valve function, abnormal heart rhythm, genetic and hereditary factors (Ischaemic heart disease runs in the family). Some heart diseases such as congenital heart disease are present at birth.
For example people with a high blood level of cholesterol are inclined to develop ischemia. Males are more exposed to ischaemic heart disease, but women after the menopause are as exposed as men are.
The main cause of the ischaemic heart disease is the narrowing or the blockage of the coronary arteries that have a very important function that is to supply blood and oxygen to the heart muscle. Healthy arteries are clean, slick and smooth. Their wall is flexible and it can become larger when a bigger quantity of blood is required to pass through. When this wall is injured a disease called atherosclerosis occurs. This causes the deposit of fat,calcium and cholesterol from your blood in the arteries walls. The arteries become narrow and harden or, even worse, they can block resulting in deficient oxygenation and nutrient supply to the heart muscle.
Ussualy atherosclerosis is a disease that develops in time. It might start in the childhood and progress with age, but it’s also possible to develop very quickly on people with risck factors like smoking, diabetes, high blood pressure, high cholesterol level, obesity.
Recent studies suggest that a bacterium called Chlamydia pneumoniae might be also a cause for the narrowing of the coronary arteries but this is yet to be demonstrated.
If you are aware that you have one of the risk factors above, you should seek medical help. The doctor will perform a test for coronary artery disease or other cardiovascular issues. Cardiovascular is a term that refers to the circulatory system – heart, veins and arteries.
It’s advisable that your doctor checks your risk for heart disease at least once a year by checking your cholesterol and blood pressure levels and asking whether you smoke or have a family history of heart disease. Also he can check your urine for protein, because this represents another risk factor for heart disease.

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