PSY 104 Lecture 09 - Handout

PSY 104 Lecture 09 - Handout - Objectives Chapter 9 QUIN...

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Chapter 9 Q UIN 1 Identifying behavioral factors in cardiovascular disease “Getting to the heart of the matter” Objectives Evaluate the role behavior factors, namely Type A, Hostility, Anger, and Dominance in the development of cardiac pathology 2 Create a response to modify these risk factors based on behavioral approaches. Quotes A good head and a good heart are always a formidable combination. Nelson Mandella 3 You may have a heart of gold -- but so does a hard-boiled egg Anonymous Introduction Heart disease major medical problem Approximately 450,000 die each year 1 Million experience event 4 • Prevalence Health behaviors and prevention Stress and disease link Psychosocial aspects Cardiovascular Primer Major divisions – Heart – Arteries – Arterioles 5 – Capillaries – Venules – Veins Closed circulatory system Heart • Anatomy – Pericardium – Myocardium Cardiac Cycle 6 – Systole – Diastole
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Cardiac Cycle 7 Heart Rate Control Generates own rhythm But can be modified with nervous and hormonal controls SA node pacemaker 8 SA node – pacemaker AV node Spread of activity Coronary Arteries Supply blood to myocardium Heart moves slightly in the chest 9 Close to ejection under full pressure Injury leads to plaque formation Ischemic heart disease – Lack of oxygen leads to cell death – Coronary artery disease (CAD) • Atherosclerosis Cardio Pathology 10 • Treatment
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