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  2. Orthostatic hypertension - Wikipedia

    en.wikipedia.org/wiki/Orthostatic_hypertension

    Orthostatic hypertension is a medical condition consisting of a sudden and abrupt increase in blood pressure (BP) when a person stands up. [1] Orthostatic hypertension is diagnosed by a rise in systolic BP of 20 mmHg or more when standing. Orthostatic diastolic hypertension is a condition in which the diastolic BP raises to 98 mmHg or over in ...

  3. Complications of prolonged standing - Wikipedia

    en.wikipedia.org/wiki/Complications_of_prolonged...

    The basic physiological change that occurs in the body during prolonged standing or sudden stand from supine position is that there will be increased pooling of blood in the legs. This decreases the venous return, and so there will be decreased cardiac output, which ultimately causes systolic blood pressure to fall (hypotension).

  4. Baroreflex - Wikipedia

    en.wikipedia.org/wiki/Baroreflex

    Flowchart showing baroreceptor reflex. The baroreflex or baroreceptor reflex is one of the body's homeostatic mechanisms that helps to maintain blood pressure at nearly constant levels. The baroreflex provides a rapid negative feedback loop in which an elevated blood pressure causes the heart rate to decrease. Decreased blood pressure decreases ...

  5. Postural orthostatic tachycardia syndrome - Wikipedia

    en.wikipedia.org/wiki/Postural_orthostatic...

    Postural orthostatic tachycardia syndrome ( POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead the individual to experience a variety of symptoms. [10] Symptoms may include lightheadedness, brain fog, blurred vision ...

  6. Reflex bradycardia - Wikipedia

    en.wikipedia.org/wiki/Reflex_bradycardia

    Reflex bradycardia is a bradycardia (decrease in heart rate) in response to the baroreceptor reflex, one of the body's homeostatic mechanisms for preventing abnormal increases in blood pressure. In the presence of high mean arterial pressure, the baroreceptor reflex produces a reflex bradycardia as a method of decreasing blood pressure by ...

  7. What people should do about high blood pressure ... - AOL

    www.aol.com/news/people-high-blood-pressure...

    Hypertension, another word for high blood pressure, is a major contributing factor to heart disease and stroke, which are leading causes of death worldwide. In the US, 1 in 5 adults with ...

  8. Pathophysiology of hypertension - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of...

    Pathophysiology is a study which explains the function of the body as it relates to diseases and conditions. The pathophysiology of hypertension is an area which attempts to explain mechanistically the causes of hypertension, which is a chronic disease characterized by elevation of blood pressure. Hypertension can be classified by cause as ...

  9. Essential hypertension - Wikipedia

    en.wikipedia.org/wiki/Essential_hypertension

    Essential hypertension (also called primary hypertension, or idiopathic hypertension) is a form of hypertension without an identifiable physiologic cause. [1] [2] It is the most common type affecting 85% of those with high blood pressure. [3] [4] The remaining 15% is accounted for by various causes of secondary hypertension. [3]

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