Normal CT coronary angiogram
From the case:
CT coronary angiogram axial - labelling questions
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The labelled structures are (excluding the correct side):
- ascending aorta
- pulmonary trunk
- superior vena cava
- left atrial appendage
- right pulmonary artery
- left superior pulmonary vein
- descending aorta
- internal thoracic (mammary) artery
- right superior pulmonary vein
- conus artery
- proximal segment of the left anterior descending (LAD) artery
- right ventricle
- left (main) coronary artery (LCA/LMCA)
- right atrial appendage
- mid segment of the left anterior descending (LAD) artery
- (small) first diagonal artery (D1)
- (small) ramus intermedius artery (RI)
- first septal artery (S1)
- left coronary sinus of the aortic valve
- second diagonal artery (D2)
- right coronary sinus of the aortic valve
- proximal segment of the circumflex artery (LCx)
- proximal segment of the right coronary artery (RCA)
- second septal artery (S2)
- (small) first obtuse marginal artery (M1)
- posterior (non coronary) coronary sinus of the aortic valve
- left inferior pulmonary vein
- sinoatrial nodal artery
- aortic valve
- right atrium
- left ventricular outflow tract
- right ventricle
- interatrial septum
- right inferior pulmonary vein
- second obtuse marginal artery (M2)
- first acute marginal artery (AM1)
- left atrium
- distal segment of the left anterior descending (LAD) artery
- chordae tendineae of the mitral valve
- anterior papillary muscle of the left ventricle
- anterior leaflet of the mitral valve
- distal segment of the circumflex artery (LCx)
- mid segment of the right coronary artery (RCA)
- posterior leaflet of the mitral valve
- left ventricle
- interventricular septum
- coronary sinus
- posterior papillary muscle of the left ventricle
- (small) second acute marginal artery (AM2)
- distal segment of the right coronary artery (RCA)
- posterior descending artery (PDA)
- posterior left ventricular artery (PLV)
- inferior vena cava
- oesophagus
- posterior descending artery (PDA)
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The same normal CT coronary angiogram without labels for reference.
Case Discussion
The labelled structures are (excluding the correct side):
- ascending aorta
- pulmonary trunk
- superior vena cava
- left atrial appendage
- right pulmonary artery
- left superior pulmonary vein
- descending aorta
- internal thoracic (mammary) artery
- right superior pulmonary vein
- conus artery
- proximal segment of the left anterior descending (LAD) artery
- right ventricle
- left (main) coronary artery (LCA/LMCA)
- right atrial appendage
- mid segment of the left anterior descending (LAD) artery
- (small) first diagonal artery (D1)
- (small) ramus intermedius artery (RI)
- first septal artery (S1)
- left coronary sinus of the aortic valve
- second diagonal artery (D2)
- right coronary sinus of the aortic valve
- proximal segment of the circumflex artery (LCx)
- proximal segment of the right coronary artery (RCA)
- second septal artery (S2)
- (small) first obtuse marginal artery (M1)
- posterior (non coronary) coronary sinus of the aortic valve
- left inferior pulmonary vein
- sinoatrial nodal artery
- aortic valve
- right atrium
- left ventricular outflow tract
- right ventricle
- interatrial septum
- right inferior pulmonary vein
- second obtuse marginal artery (M2)
- first acute marginal artery (AM1)
- left atrium
- distal segment of the left anterior descending (LAD) artery
- chordae tendineae of the mitral valve
- anterior papillary muscle of the left ventricle
- anterior leaflet of the mitral valve
- distal segment of the circumflex artery (LCx)
- mid segment of the right coronary artery (RCA)
- posterior leaflet of the mitral valve
- left ventricle
- interventricular septum
- coronary sinus
- posterior papillary muscle of the left ventricle
- (small) second acute marginal artery (AM2)
- distal segment of the right coronary artery (RCA)
- posterior descending artery (PDA)
- posterior left ventricular artery (PLV)
- inferior vena cava
- oesophagus
- posterior descending artery (PDA)