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Circulatory System: Functions, Disorders & Nursing Actions

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  1. Unit 40 Circulatory (Cardiovascular) System

  2. Objectives • Spell and define terms. • Review the location and functions of the organs of the circulatory system. • Describe some common disorders of the circulatory system.

  3. Objectives • Describe nursing assistant actions related to care of patients with disorders of the circulatory system. • List five specific diagnostic tests for disorders of the circulatory system.

  4. Introduction • The circulatory system may be thought of as a transportation system. • It takes nourishment and oxygen to the cells and carries away waste products. • The closed system is kept in motion by the force of the heartbeat.

  5. Introduction • Diseases that attack any part of this system interfere with overall body function. • Long-standing diseases of the cardiovascular system eventually affect the pulmonary system as well.

  6. Structure and Function • The organs of the cardiovascular system include: • Heart • Blood vessels • Lymphatic vessels • Lymph nodes • Spleen • Blood

  7. Peripheral Vascular Diseases • Blood vessels that serve the outer parts of the body, particularly those of the hands and feet: • Peripheral blood vessels

  8. Peripheral Vascular Diseases • Diseases of these vessels affect the parts of the body through which they pass. • Health of these vessels also influences heart function.

  9. Heart Conditions • Heart disease may sometimes be caused by an infection • Most heart disease develops because of changes in the blood vessels • As the openings of the blood vessels become smaller, the heart must work harder and harder to do its job of pumping blood to the body.

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