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Lifestyle health and style


									Lifestyle, health and style
          Lesson 13

   CVD risk factors – Blood
   CVD risk factors – Blood
• Learning Objectives
  – Be able to measure blood pressure accurately
  – Explain the role of high blood pressure in
    cardiovascular disease
  – Develop skills in concept mapping
1. Interactive presentation from SNAB online
                                    Task 1
1.       Use the sphygmomanometer to measure your blood
     –      Follow guidelines on activity 1.12
     –      Answer the questions on 1.12
2.       While you wait for the sphygmomanometer– complete
         Blood pressure summary sheet Activity 1.13
•        Safety
     –      Never use a sphygmomanometer or blood pressure monitor unsupervised.
     –      Do not over-inflate the cuff or leave it inflated for longer than necessary.
     –      Do not worry if your blood pressure seems too high or too low. This is not a
            definitive medical measurement of blood pressure, just an estimate.
     –      You should not use one of these monitors if:
     –      You know you suffer from heart rhythm disorders, or you already suffer from
            severe atherosclerosis – unlikely unless you are a mature student – or you
            have a cardiac pacemaker.
Q1What do you think the beeps made by a digital pressure monitor at
  step 8 of the procedure represent?
Q2What is happening to blood flow in the brachial artery at step 9 (both
Q3Comment on your results if you have taken several readings from
  different people within the group.
Q4A person has a blood-pressure reading of about 170/95 mmHg.
  Would this be classed as high blood pressure?
Q5Why can elevated blood pressure increase the risk of cardiovascular
Extension question
Q6Blood pressure can vary between individuals and can change
  through the day. What effect might posture and relaxation have on
  blood pressure? Plan an experiment that would let you check out
  your idea.
Activity 1.12 answers
Blood pressure summary sheet

   The example should be used as a starting point,
           and your own map produced
• How does blood pressure relate to CVD?
          Learning Outcomes

Students should be able:
• Know what is meant by the term blood pressure

• Be able to measure blood pressure accurately

• Explain the role of high blood pressure in
  cardiovascular disease

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