Review Items - Heart

External features of the heart:

A. Epicardium
Coronary (atrioventricular) sulcus (N212,N214,TG4-21A,TG4-21B)
B. Sulcus terminalis (N214,TG4-21B)
Anterior & posterior interventricular sulcus (N212 ,N214,N215,TG4-21A,TG4-21B)

Internal features:

Right atrium (N220,TG4-25A,TG4-25B)
     C. Auricle
     D. Crista terminalis
          E. Sinuatrial node
     F. Pectinate muscle
     G. Interatrial septum
          H. Fossa ovalis (& limbus)
          I. Atrioventricular node
     J. Valve of the inferior vena cava & opening
     K. Valve of coronary sinus & opening
     Tricuspid (right atrioventricular) valve
     L., M., N. Cusps of tricuspid valve (anterior, posterior & septal)
Right ventricle (N220,TG4-25C)
     O. Chordae tendineae
     P., Q., R. Papillary muscles (anterior, posterior, & septal)
     S. Trabeculae carneae
     T. Septomarginal trabecula (moderator band)
     U. Conus arteriosus (pulmonary conus)
     V., W., X. Pulmonary valve and semilunar cusps (left, right & anterior)
Left atrium (N221,TG4-26)
     Pulmonary veins (openings)
     Bicuspid (left atrioventricular, mitral) valve
          Y. & Z. Cusps of mitral valve (anterior & posterior)
Left ventricle (N221,TG4-26)
     AA. & BB. Anterior and posterior papillary muscles
     Trabeculae carneae
     CC. & DD. Interventricular septum (membranous and muscular portions)
     EE. Aortic vestibule
     FF., GG., HH. Aortic valve and semilunar cusps (left, right & posterior)

Arterial supply:

II. Right coronary artery (N216,N218,TG4-22A,TG4-22B,TG4-23A)
     JJ. Artery of the sinoatrial node (55%)
     KK. Right marginal
     LL. Posterior interventricular (descending, PDA)
          Septal branches
     MM. Artery of the atrioventricular node
NN. Left coronary artery (N216,N219,TG4-22A,TG4-22B,TG4-23A)
     OO. Anterior interventricular (descending, LAD)
          Septal branches
     PP. Circumflex
          Artery of the sinoatrial node (45%)
          QQ. Left marginal
          RR. Posterior artery of the left ventricle

Venous drainage:

SS. Coronary sinus (N212,TG4-24A,TG4-24B,TG4-24C,TG4-24D)
     TT. Great cardiac vein
     UU. Posterior vein of the left ventricle
     VV. Middle cardiac vein
     WW. Small cardiac vein
XX. Anterior cardiac veins


Anulus fibrosus (fibrous ring) (N222)
Myocardium (N221)
Endocardium (N221)
Epicardial fat (N212,N214)

Clinical Terms:

Coronary bypass (CABG)
Myocardial infarct (MI)
Left heart dominance
Ventricular hypertrophy
Septal defects
Coarctation of aorta
Patent foramen ovale
Patent ductus arteriosus
Cardiac tamponade
Valvular disease (aortic, mitral stenosis, mitral valve regurgitation)
Cardiac angiography