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Understanding Heart Rate & Blood Pressure

Understanding Heart Rate & Blood Pressure. Knowing your numbers and what they mean. What is blood pressure? What should your blood pressure numbers be? What do you do if your blood pressure numbers are too high?. What does your heart do? What is heart rate?

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Understanding Heart Rate & Blood Pressure

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  1. Understanding Heart Rate & Blood Pressure Knowing your numbers and what they mean

  2. What is blood pressure? • What should your blood pressure numbers be? • What do you do if your blood pressure numbers are too high? • What does your heart do? • What is heart rate? • What should your heart rate • numbers be?

  3. Your Heart • It looks like an ice-cream cone! • Pointed bottom • Rounded top • Hollow • Can fill up with blood

  4. MORE ABOUT YOUR HEART • In middle of chest • Between your lungs • Size of fist • Tipped over • More on left side • Is a muscle • Acts like a pump http://www.americanheart.org/downloadable/heart/102441059502447%20What%20Is%20the%20Heart.pdf

  5. Your heart sends blood to the whole body Oxygen Nutrients Carries away waste Heart Parts: Arteries Capillaries Veins

  6. HEART RATE -the number of heartbeats per unit of time- beats per minute (bpm) -can vary as the body's need to absorb O2and excrete CO2 changes, such as during exercise or sleep

  7. HEART RATE -assists in the diagnosis & tracking of medical conditions -monitor heart rate in athletes to gain maximum efficiency from their training -measured by finding the pulse - at any point on thebody where an artery’s pulsation is transmitted to the surface -No thumb!! Use your middle and index

  8. For Example…. The inside of the elbow Behind the knee Over the abdomen The chest (apex of the heart) The temple Neck Wrist

  9. Resting heart rate -heart rate when they awake; lying down and not immediately post-exertion -Typical healthy Hrrest in adults is 60–80 bpm bradycardia-rates below 60 bpm tachycardia-rates above 100 bpm -conditioned athletes often have resting heart rates below 60 bpm. Q: What’s the deal with athletes? Lance Armstrong: Hrrest = 32 bpm

  10. Blood Pressure Measurement • Force of blood pushing against the walls of the arteries • Force • Amount of blood • Size • Flexibility of the arteries http://www.nlm.nih.gov/medlineplus/ency/article/003398.htm

  11. 3 Ways to Measure Blood Pressure Aneroid Monitor Digital Monitor Finger/Wrist Monitor http://familydoctor.org/online/famdocen/home/common/heartdisease/treatment/128.html

  12. Before Taking Your Blood Pressure… • Don’t use 30 minutes prior to taking your blood pressure: • Caffeine, • Alcohol, or • Tobacco. • Go to the bathroom. • Rest 3-5 minutes before taking your blood pressure. • Sit comfortably. • Legs and ankles uncrossed • Back supported

  13. What Does Your Blood Pressure Reading Mean? http://familydoctor.org/online/famdocen/home/common/heartdisease/treatment/128.html http://www.nhlbi.nih.gov/health/dci/Diseases/Hbp/HBP_WhatIs.html

  14. What Is Your Blood Pressure?

  15. Lab: Measuring Heart Rate Friday February 11, 2011Look online for posted assignments Lab 2: Measuring Blood Pressure Monday February 14, 2011 Look online for posted assignments

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