Low Blood Pressure Symptoms

Low Blood Pressure Symptoms

When blood pressure is not sufficient to deliver enough blood to organs, the organs do not work properly and may be permanently damaged. For example, if insufficient blood flow to the brain, brain cells do not receive enough oxygen and nutrients, and one can feel a light head, dizziness, or even fainting.

Going from a sitting or lying to standing position often causes the symptoms of low blood pressure. This occurs because standing causes blood to "put" in the veins of the lower body, and this can lower blood pressure. If blood pressure is already low, standing can make blood pressure worse, to the point of causing symptoms. Development of a light head, dizziness, or fainting upon standing caused by low blood pressure is called orthostatic hypotension. Individuals are normally able to quickly compensate for the low pressure created by standing with the responses discussed previously and do not develop orthostatic hypotension.

When there is not enough blood pressure to deliver blood to the coronary arteries (arteries that supply blood to the heart muscle), a person can develop chest pain (a symptom of angina) or even heart attack.

When insufficient blood flow to the kidneys, the kidneys fail to eliminate waste-disposal of the body, for example, urea and creatinine, and increased their levels in the blood occurs (eg, increase, increase of blood urea nitrogen or BUN and serum creatinine).

Shock is a life-threatening condition where persistently low blood pressure causes organs such as kidneys, liver, heart, lung, and brain to fail rapidly.

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