HEART ANATOMY

OBJECTIVES 4 Chambers 4 Valves Main vessels Composition Flow of blood Coronary arteries Conduction system

Position Markers Heart and Lungs

4 Chambers Right: Atrium Ventricle Left:

Chambers in Action Heart Chambers

4 Valves Tricuspid Pulmonic Mitral (Bicuspid) Aortic

Heart Valves in Motion Heart Valves

Main Vessels Vena Cava: Superior Inferior Pulmonary: Artery Veins Aorta

Composition Pericardium Epicardium Myocardium Endocardium

Flow of Blood Vena Cavae R Atrium Tricuspid R Ventricle Pulmonic Pulmonary arteries Pulmonary veins L Atrium Mitral L Ventricle Aortic Aorta

To the Heart and Back Again See Your Blood Flow

Beating Heart See Your Heart in Action

Flow of Blood

Heart Sounds Lubb – tricuspid & mitral = S-1, S-2 Dubb – pulmonic & aortic = S-3, S-4

Heart Sounds Hear Your Heart Beat

Coronary Arteries Right Left Left anterior descending Circumflex

Coronary Arteries Coronary Arteries That Are Commonly Blocked

Conduction System Sinoatrial node Bundle of James Atrioventric-ular node Bundle of His R/L Bundle branches Purkinje Fibers

Conduction System The Heart's Electrical System