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Cardiac Anatomy

Cardiac Anatomy. Frank A. Acevedo, PA-C. Thoracic Divisions. 3 major divisions Mediastinum contains most of thoracic structures Subdivisions exist. Heart. Pericardium - fibrous, serous Points of Attachment (fibrous pericardium) -central tendon of diaphragm -sternopericardial ligaments.

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Cardiac Anatomy

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  1. Cardiac Anatomy Frank A. Acevedo, PA-C

  2. Thoracic Divisions • 3 major divisions • Mediastinum contains most of thoracic structures • Subdivisions exist

  3. Heart • Pericardium - fibrous, serous • Points of Attachment (fibrous pericardium) -central tendon of diaphragm -sternopericardial ligaments

  4. Cardiac Surfaces • Sternocostal • Diaphragmatic • Base of the heart • Apex

  5. Right Atrium • Superior and Inferior Vena Cava • IVC has a “valve” • Foramen Ovalis • Coronary Sinus

  6. Right Ventricle • Less Muscular than Left • Ticuspid Valve • Papillary Muscles & Chordae Tendinae • Pulmonary Valve

  7. Left Atrium • Forms most of base of the heart • Pulmonary veins • Mitral valve

  8. Left Ventricle • Primary pump • Valvular control • Aortic sinus

  9. Coronary Sinus

  10. Conducting System

  11. Coronary Arteries

  12. Cardiac Innervation • Sympathetic fibers • Parasympathetic fibers • Afferent fibers of vagus nerve

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