What is blood pressure

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PPT for Wikispaces module- Health By Numbers

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What is blood pressure

  1. 1.  Blood pressure is a measurement of the force applied to the walls of your arteries as your heart pumps blood through your body.  Blood pressure readings are usually given as two numbers -- for example, 120 over 80 (written as 120/80 mmHg). One or both of these numbers can be too high. http://www.nlm.nih.gov/medlineplus/ency/article/007490.htm
  2. 2. Blood pressure is the force of your blood pushing against the walls of your arteries.  Each time your heart beats, it pumps out blood into the arteries.  Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure.  When your heart is at rest, between beats, your blood pressure falls. This is the diastolic pressure. 
  3. 3. Your blood pressure reading uses these two numbers, the systolic and diastolic pressures. Usually they are written one above or before the other. A reading of: • • • 119/79 or lower is normal blood pressure 140/90 or higher is high blood pressure Between 120 and 139 for the top number, or between 80 and 89 for the bottom number is prehypertension What category describes your blood pressure? Is it normal or high?
  4. 4. High blood pressure usually has no symptoms, but it can cause serious problems such as stroke, heart failure, heart attack and kidney failure. You can control high blood pressure through healthy lifestyle habits and taking medicines, if needed. Watch the 2 videos in this section to increase your understanding of blood pressure. http://www.nlm.nih.gov/medlineplus/highbloodpressure.html http://www.nlm.nih.gov/medlineplus/tutorials/hypertension/htm/_y es_50_no_0.htm

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