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Heart Blood Supply & Disorders: Coronary Arteries, Atherosclerosis, Angina Pectoris, Myocardial Infarction, Heart Failur

Understand the functional blood supply to the heart, including the coronary arteries arising from the aorta and located in the coronary sulcus. Learn about common heart disorders such as coronary artery disease, angina pectoris, myocardial infarction, congestive heart failure, and cor pulmonale.

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Heart Blood Supply & Disorders: Coronary Arteries, Atherosclerosis, Angina Pectoris, Myocardial Infarction, Heart Failur

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  1. PART 4 The Heart

  2. Blood Supply to the Heart • Functional blood supply • Coronary arteries • Arise from the aorta • Located in the coronary sulcus • Main branches • Left and right coronary arteries

  3. Blood Supply to the Heart Figure 18.16

  4. Disorders of the Heart • Coronary artery disease • Atherosclerosis – fatty deposits • Angina pectoris – chest pain • Myocardial infarction – blocked coronary artery • Heart attack • Silent ischemia – no pain or warning

  5. Disorders of the Heart • Heart failure • Progressive weakening of the heart • Cannot meet the body’s demands for oxygenated blood • Congestive heart failure (CHF) • Heart enlarges • Pumping efficiency declines • Cor pulmonale • Enlargement and potential failure of right ventricle

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