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2. 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.

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. 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.

5. Blood pressure variations ‘could be warning sign of heart ...

   www.aol.com/blood-pressure-variations-could...

   Academics from Imperial College London used data from the ASCOT study, which was designed to help scientists better understand high blood pressure and involved almost 20,000 people over a period ...

6. Essential hypertension - Wikipedia

   en.wikipedia.org/wiki/Essential_hypertension

   The variation in pressure in the left ventricle (blue line) and the aorta (red line) over two cardiac cycles ("heart beats"), showing the definitions of systolic and diastolic pressure Blood pressure is classified as normal blood pressure, prehypertension , hypertension (stages I and II), and isolated systolic hypertension , which is a common ...

7. The Common Issue for People Over 50 That’s a ... - AOL

   www.aol.com/lifestyle/common-issue-people-over...

   Heart disease is terrifying, especially as it's the number one cause of death in the U.S. About 1 in 20 people who are 20 years old or older are living with it.. At doctor’s visits, your ...