Personal and Community Health, Chapter 9 Notes
Personal and Community Health, Chapter 9 Notes PHE 210
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This 3 page Class Notes was uploaded by Maddie H on Monday October 3, 2016. The Class Notes belongs to PHE 210 at Newberry College taught by Dr. Cruickshanks in Fall 2016. Since its upload, it has received 8 views. For similar materials see Personal and Community Health in Physical Education at Newberry College.
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Date Created: 10/03/16
Chapter 9 Notes Enhancing Your Cardiovascular System Cardiovascular Disease Cardiovascular o Pertaining to the heart (cardio) and the blood vessels (vascular) Estimated Prevalence of Major Cardiovascular Diseases o Hypertension o Coronary heart disease o Stroke o Congestive Heart Failure o Congenital Heart Disease The Vascular System Refers to the blood vessels Arteries carry blood away from the heart o Arterioles are smallerdiameter extensions of arteries Veins carry blood back into the heart The Heart Four chambered pump Size of a fist Function o Creates pressure to circulate blood throughout the body Location o Left center of thorax (between the lungs) Blood Functions of the circulatory system o Delivery of oxygen Average person has 5 quarts of blood Risk Factors that can’t be Changed Increasing age o Most people who die from heart disease are age 65+. WHY? The heart is a muscle and eventually begins to give out. Male Gender o Before age 55, men have a greater risk of heart disease than women do. WHY? Men are typically more stressed than women Don’t go to the doctor as often as women o After menopause, women’s rates of heart disease increase Heredity o Family history If heart disease runs in your family, you are more at risk o Race/ethnicity Risk Factors that CAN be Changed Major Risk Factors: The “Big Six” o Tobacco smoke o Physical inactivity The heart is a muscle, which means to keep it healthy you need to exercise it by EXERCISING o Abnormal blood cholesterol levels HDL good cholesterol LDL bad cholesterol o High blood pressure Stay away from stress Stay away from sodium o Diabetes mellitus o Obesity and overweight Contributing Risk Factor o Individual response to stress Forms of Cardiovascular Disease Coronary Heart Disease o Damage to vessels that supply blood to the heart muscle o Atherosclerosis: Buildup of plaque on the inner wall of arteries o Myocardial Infarction (heart attack) death of part of heart muscle o Angina Pectoris Hypertension o Known as the silent killer because there are no symptoms o Screening: regular checks of resting blood pressure o Effects: Heart attacks, strokes, kidney failure, eye damage o Prevention and treatment Stroke o Blockage of vessels to the brain o Types of stroke Cerebral hemorrhage Cerebral aneurism Congenital Heart Disease o An abnormality in the heart/heart defect present when a baby is born o Some types of CHD: Aortic stenosis Atrial Septal Defect Bicuspid Aortic Valve Coronary Artery Anomaly o Cause is unknown but some possibilities are: problems with the child’s genes, drug or alcohol abuse during pregnancy, a viral infection of the mother during first trimester o Symptoms: shortness of breath, trouble with exercise, a bluish tint to the skin, fast breathing/poor feeding, poor weight gain, lung infections Rheumatic Heart Disease o Chronic damage to the heart o Result of streptococcal infection in the heart Complication of rheumatic fever o Damage tends to occur in valves of the heart o Diagnosis: x rays, echocardiogram o Treatment: surgery Congestive Heart Failure o Inability of the heart to pump out all the blood that returns to it Fluid accumulation in veins, lungs, and kidneys o Caused by heart damage from other causes o Treatment: rest, proper diet, modified daily activity, use of appropriate drugs Diseases of the Arteries o Blockages that occur in arteries that supply blood to the legs and arms Arrhythmias o Improper beating of the heart (too fast, or too slow)
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