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Uncontrolled hypertension facts

Circulatory system and blood pressure

Circulatory system is also called cardiovascular system. It is comprised of the heart, blood vessels and blood. The heart has the role to pump the fresh oxygenated blood through the blood vessels to the cells and tissues throughout the body. The blood vessels form a vast network in the body. The blood pressure is the pressure that the blood exerts on the walls of the blood vessels. It is considered that the normal blood pressure is 120/80 mm Hg. The upper number in the reading is called systolic blood pressure, while the lower number refers to the diastolic blood pressure.

Systolic blood pressure is the blood pressure that the blood exerts on the walls of the blood vessels when the heart beats, while diastolic blood pressure is the pressure when the heart is relaxed. Sometimes, it happens that the systolic blood pressure is raised while diastolic blood pressure is normal. It is called isolated systolic hypertension. When the systolic blood pressure is normal while the corresponding diastolic blood pressure is higher than normal, it is called isolated diastolic hypertension.

The blood pressure can be high or low. Low blood pressure is called hypotension, while high blood pressure is called hypertension. When one has the blood pressure above 140/90 mm Hg, he/she suffers from high blood pressure or hypertension.

Causes of uncontrolled hypertension

Uncontrolled hypertension occurs when one does not notice any symptoms of this disorder for a long period of time. Another reason for the occurrence of uncontrolled hypertension is the negligence and ignoring of hypertension once it is diagnosed. Excessive consuming of alcohol may also lead to the uncontrolled hypertension. People who suffer from this condition may experience headaches, drowsiness and nausea. Furthermore, untreated hypertension may also lead to the vision problems.

Complications of uncontrolled hypertension

It is very important to treat hypertension once the symptoms are noticed in order to prevent serious complications that may arise from it, such as coronary artery disease, cardiovascular diseases, stroke and the kidney problems.

The high blood pressure may damage the walls of the arteries and the fat and cholesterol may start to accumulate there. Over time, this can block the arteries and lead to the coronary artery disease. Furthermore, the blocked arteries cause the heart to work much harder and it can be weakened over time. If the blood does not reach the heart in enough amounts due to some blockage, it may induce angina or heart attack. Moreover, if the brain does not receive enough blood because of the narrowed blood vessels, a stroke may occur.

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