ANTR 350 1st Edition Lecture 27Outline of Last Lecture I. DefinitionII. Overview of cardiovascular systemOutline of Current Lecture II. Cardiac tamponadeIII. Surfaces of heartIV. Valves Current Lecture-cardiac tamponade-Sudden build-up of fluid in the pericardial cavity is a medical emergency -Inhibits the heart’s ability to pump blood-Long term buildup of fluid may be less severe because the pericardium will stretch slowly to accommodate the fluid-Surfaces of heart1. Sternocostal surface-Anterior surface-Faces the anterior chest wall-Composed primarily of RIGHT ventricle2. Diaphragmatic surface-Inferior surface-Rests on the diaphragm-Composed of both R & L ventricles3. L & R Pulmonary surfacesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-Left surface-Nestled against the left lung-Left Ventricle-Right surface-Nestled against the right lung-Right Atrium -valves-2 atrioventricular (AV) valves -Tricuspid-between Right atrium & R ventricle-3 cusps (tri)-Bicuspid (Mitral)-between Left Atrium & L Ventricle-2 cusps (bi)-Composed of:-Papillary muscles-Chordae tendineae-Cusps-semilunar valves-Pulmonary – between Right Ventricle & pulmonary trunk-Aortic – between Left Ventricle & aorta-Composed of
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