Sunday, March 28, 2010

Is Low Blood Pressure A Threat?

Blood pressure is a result of the flow of blood times the amount of resistance in the blood vessels as the heart pumps out blood. Each time your heart beats, it pumps blood into the arteries. When the heart is actively pumping blood, the pressure is at its highest and referred to as systolic pressure. Between beats, when your heart is at rest the pressure falls this is diastolic pressure. These two numbers determine your blood pressure and are usually written one above/or before the other for example 120/80. A reading of 90/60 or lower is considered as low (Hypotension), while 140/90 is considered as high (Hypertension).

Low blood pressure may not have gained the notoriety as that of high blood pressure but if left untreated its consequences can be just as serious. There are a variety of ailments related to low blood pressure which if not diagnosed and treated in their early stages can lead to serious complications. Most prominent are: postural (orthostatic) hypotension and neutrally mediated (neurogenic orthostatic) hypotension.

The kidneys can balance low blood pressure naturally by retaining salt and water, thereby making medical intervention unnecessary. However, if your monitor consistently registers low blood pressure readings or you are experiencing any of the following symptoms: frequent bouts of dizziness, fainting, blurred vision, nausea, rapid weak pulse, muscle weakness, fatigue, headache, cold clammy skin and lack of concentration, you should consult your doctor for an evaluation, diagnosis and treatment (if necessary). In extreme cases the body can be deprived of an adequate supply of oxygen which can result in impaired heart and brain functions and respiratory problems leading to loss of consciousness or shock.

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