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2. Blood pressure - Wikipedia

   en.wikipedia.org/wiki/Blood_pressure

   When blood pressure falls many physiological cascades commence in order to return the blood pressure to a more appropriate level. The blood pressure fall is detected by a decrease in blood flow and thus a decrease in glomerular filtration rate (GFR). Decrease in GFR is sensed as a decrease in Na + levels by the macula densa.

3. Korotkoff sounds - Wikipedia

   en.wikipedia.org/wiki/Korotkoff_sounds

   If the pressure is dropped to a level equal to that of the patient's systolic blood pressure, the first Korotkoff sound will be heard. As the pressure in the cuff is the same as the pressure produced by the heart, some blood will be able to pass through the upper arm when the pressure in the artery rises during systole .

4. Blood pressure measurement - Wikipedia

   en.wikipedia.org/wiki/Blood_pressure_measurement

   When measuring blood pressure in the home, an accurate reading requires that one not drink coffee, smoke cigarettes, or engage in strenuous exercise for 30 minutes before taking the reading. A full bladder may have a small effect on blood pressure readings; if the urge to urinate arises, one should do so before the reading.

5. What is a normal blood pressure reading? - AOL

   www.aol.com/lifestyle/normal-blood-pressure...

   He also recommends having both feet on the ground and yours eyes closed during the reading. Regarding ideal numbers, the famous M.D. says: "Your blood pressure is supposed to be under 140 over 90 ...

6. Hypertension is a ‘silent killer.’ Here’s what your blood ...

   www.aol.com/finance/hypertension-silent-killer...

   Talk with your health care professional about how often to take your blood pressure. Take multiple readings and record the results. Each time you measure, take two readings one minute apart.

7. Is A Blood Pressure Of 130/70 Too High? Plus, What Do Those ...

   www.aol.com/lifestyle/blood-pressure-130-70-too...

   Up next, learn the 25 best food for high blood pressure. Expert Sources. New ACC/AHA High Blood Pressure Guidelines Lower Definition of Hypertension. American College of Cardiology. Blood pressure ...