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Chapter 10

VOCABULARY

QuestionAnswer
Cardiology The study of the heart
Cardiologist One who specializes in the study of diseases and disorders of the heart
Mediastinum The area between the lung and the chest cavity that contains the heart, aorta, trachea, esophagus, and bronchi
Precordium The area of the chest covering the heart
Apex The lowest superficial part of the heart, formed by the inferolateral part of the left ventricle.
Base The portion of the heart opposite the apex,It forms the upper border of the heart, lies just below the second rib, and primarily involves the left atrium, part of the right atrium, and the proximal portions of the great vessels.
Pericardium the double membranous sac that encloses the heart and the origins of the great blood vessels
Epicardium The inner layer of the pericardium, which is the double-folded membrane that encloses the heart.
Myocardium The middle muscular layer of the heart
Endocardium The inner layer of the heart
Systole The contraction phase of the heartbeat forcing blood into the aorta and the pulmonary arteries
Diastole The period of relaxation of the heart, alternating with the contraction phase.
Pericarditis Inflammation of the pericardium
Myocarditis Inflammation of the myocardium may be caused by viral or bacterial infections. may be a result of systemic diseases such as Rheumatic fever
Occlusion Closure, or state of being closed
Angina Pectoris Sever pain and constriction about the heart, Usually radiating to the left shoulder and down the left arm, creating a feeling of pressure in the anterior chest
Coronary Artery Disease The narrowing of the coronary arteries to the extent that adequate blood supply to the myocardium is prevented
Mitral Valve Prolapse The drooping of one or both cusps of the mitral valve back into the left atrium during ventricular systole, resulting in incomplete closure of the mitral insufficiancy
Congestive Heart Failure Condition characterized by weakness, breathlessness, and abdominal discomfort. Edema in the lower portions of the body. The pumping ability is progressively impaired to the point that it no longer meets bodily needs.
Created by: Evyloveslife