Cholestrol

Bursting Effects Due to High Blood Pressure

Bursting effects mainly occur in the smallest arteries (arterioles), usually where the network of capillaries divide blood supply to the different body organs. These bursting effects generally occur due to very high blood pressure and when sustained for many years. With the rapid rise of blood pressure over a few weeks or days, the arteries either cannot adapt to the high pressures or the pressure is extremely high even for an adapted artery.

Where do bursting effects happen?

Heart:

High blood pressure means high pressure for the heart, that has to pump against the high resistance of a general tightened-up and narrowed artery system. Gradually, the heart may not burst, but it interrupts the function of the left ventricle to pump out blood. If this occurs suddenly, it results in acute heart failure with a drowning sensation and extreme breathlessness.

If this happens slowly, the person will feel more shortness of breath, initially while doing exercise and eventually even while at rest. It is often accompanied by swollen ankles and dry cough.

Aorta:

Extremely high blood pressure can cause swellings (aneurysm) in the aorta. Such aortic swellings or aortic aneurysms can break down at low pressure or at extremely high blood pressure levels, when it has become enlarged and the wall become weaker. This can occur in two stages:

  • Firstly, when the aortic lining splits and blood spurts in between the aortic wall layers. This may cause chest pain, which can be easily mistaken for heart attacks.
  • Secondly, when the outer aortic wall splits, which can be fatal within minutes or even seconds.

Brain:

Brain arteries aneurysms are small bubble like artery wall distensions. They occur because of the stretch of normal artery wall due to high blood pressure, or because of local artery wall weakness since birth. They can also occur in the interior of the brain or on its surface.

Bursting of an interior aneurysms can destroy some part of the brain. This can lead to loss of consciousness, usually accompanied by paralysis. This can develop within an hour or two, or immediately. Bursting of a surface aneurysm causes severe headache and sometimes it leads to paralysis. Other main parts where bursting effects can happen are in the eyes and kidneys.

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