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  2. Systolic hypertension - Wikipedia

    en.wikipedia.org/wiki/Systolic_hypertension

    If the systolic blood pressure is elevated (>140) with a normal (<90) diastolic blood pressure (DBP), it is called isolated systolic hypertension. [2] Eighty percent of people with systolic hypertension are over the age of 65 years old. [3] Isolated systolic hypertension is a specific type of widened (or high) pulse pressure.

  3. Tachycardia - Wikipedia

    en.wikipedia.org/wiki/Tachycardia

    If blood pressure decreases, the heart beats faster in an attempt to raise it. This is called reflex tachycardia. This can happen in response to a decrease in blood volume (through dehydration or bleeding), or an unexpected change in blood flow. The most common cause of the latter is orthostatic hypotension (also called postural hypotension).

  4. Pathophysiology of hypertension - Wikipedia

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

    A diagram explaining factors affecting arterial pressure. 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.

  5. Pulse pressure - Wikipedia

    en.wikipedia.org/wiki/Pulse_pressure

    The increased risk also exists even in cases in which high pulse pressure is caused by diastolic pressure decreasing over time while systolic remains steady or even slightly decreases. [ 21 ] [ 19 ] A meta-analysis in 2000 showed that a 10 mmHg increase in pulse pressure was associated with a 20% increased risk of cardiovascular mortality, and ...

  6. 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]

  7. Does your heart beat faster when you stand or sit up? Learn ...

    www.aol.com/does-heart-beat-faster-stand...

    POTS patients experience an increase in heart rate within a few minutes of standing or sitting up. This makes it different from other conditions that generally cause a fast heart rate.