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Low blood pressure can be caused by low blood volume, hormonal changes, pregnancy, widening of blood vessels, medicine side effects, severe dehydration, anemia, vitamin B 12 deficiency, anaphylaxis, heart problems or endocrine problems.
Blood pressure that is too low is known as hypotension. This is a medical concern if it causes signs or symptoms, such as dizziness, fainting, or in extreme cases, circulatory shock. Causes of low arterial pressure include: Sepsis; Hemorrhage – blood loss; Cardiogenic shock; Neurally mediated hypotension (or reflex syncope)
Hypertension refers to arterial pressure being abnormally high, as opposed to hypotension, when it is abnormally low. Along with body temperature, respiratory rate, and pulse rate, blood pressure is one of the four main vital signs routinely monitored by medical professionals and healthcare providers.
Regarding ideal numbers, the famous M.D. says: "Your blood pressure is supposed to be under 140 over 90, optimally closer to 120 over 80." He went on to call the test "life-saving" and "the single ...
Orthostatic hypotension (or postural hypotension) is a drop in blood pressure upon standing. One definition (AAFP) calls for a systolic blood pressure decrease of at least 20 mm Hg or a diastolic blood pressure decrease of at least 10 mm Hg within 3 minutes of standing.
The first changes in vital signs seen in hypovolemic shock include an increase in diastolic blood pressure with narrowed pulse pressure. As volume status continues to decrease, systolic blood pressure drops. As a result, oxygen delivery to vital organs is unable to meet the oxygen needs of the cells.