Right Heart Dilatation in Adults: Congenital Causes
Amanda L. Cook1,
Lynne M. Hurwitz2,3,
Anne Marie Valente1,3,4 and
J. René Herlong1,3
1 Department of Pediatrics, Division of Pediatric Cardiology, Duke University
Medical Center, Durham, NC.
2 Department of Radiology, Duke University Medical Center, Box 3808, Durham, NC
27710.
3 Duke Cardiovascular Magnetic Resonance Center and Duke University Medical
Center, Durham, NC.
4 Department of Medicine, Division of Adult Cardiology, Duke University Medical
Center, Durham, NC.

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Fig. 2A —48-year-old asymptomatic man with secundum atrial septal defect
(ASD). Posteroanterior (A) and lateral (B) chest radiographs
show shunt vascularity (arrows, A) with normal-sized cardiac
silhouette.
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Fig. 2B —48-year-old asymptomatic man with secundum atrial septal defect
(ASD). Posteroanterior (A) and lateral (B) chest radiographs
show shunt vascularity (arrows, A) with normal-sized cardiac
silhouette.
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Fig. 2C —48-year-old asymptomatic man with secundum atrial septal defect
(ASD). Contrast-enhanced axial CT images of heart obtained from abdominal CT
reveal enlargement of right ventricle (RV). LV = left ventricle.
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Fig. 2D —48-year-old asymptomatic man with secundum atrial septal defect
(ASD). Contrast-enhanced axial CT images of heart obtained from abdominal CT
reveal enlargement of right ventricle (RV). LV = left ventricle.
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Fig. 2E —48-year-old asymptomatic man with secundum atrial septal defect
(ASD). Still images from cine MRI four-chamber (E) and short-axis
(F) views of heart show large secundum ASD (arrow). RV = right
ventricle, LV = left ventricle, RA = right atrium, LA = left atrium.
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Fig. 2F —48-year-old asymptomatic man with secundum atrial septal defect
(ASD). Still images from cine MRI four-chamber (E) and short-axis
(F) views of heart show large secundum ASD (arrow). RV = right
ventricle, LV = left ventricle, RA = right atrium, LA = left atrium.
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Fig. 3A —19-year-old woman with complaints of chest discomfort with exertion.
Still images from cine MRI four-chamber (A) and short-axis (B)
views of heart show communication (arrow) between left atrium (LA)
and right atrium (RA) just above level of left atrioventricular valve
consistent with primum atrial septal defect. RV = right ventricle, LV = left
ventricle.
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Fig. 3B —19-year-old woman with complaints of chest discomfort with exertion.
Still images from cine MRI four-chamber (A) and short-axis (B)
views of heart show communication (arrow) between left atrium (LA)
and right atrium (RA) just above level of left atrioventricular valve
consistent with primum atrial septal defect. RV = right ventricle, LV = left
ventricle.
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Fig. 4A —58-year-old woman with symptoms of increasing dyspnea. Still image
from cine MRI four-chamber view of heart shows enlargement of right atrium
(RA) and right ventricle (RV). LV = left ventricle, LA = left atrium.
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Fig. 4B —58-year-old woman with symptoms of increasing dyspnea. Bright blood
axial image shows direct communication (arrow) between superior vena
cava (asterisk), right upper lobe pulmonary veins, and left atrium
(LA) consistent with sinus venosus defect. AA = ascending aorta.
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Fig. 4C —58-year-old woman with symptoms of increasing dyspnea. Dark blood
axial image from different patient with same diagnosis shows direct
communication (arrow) between superior vena cava (asterisk)
and left atrium (LA) consistent with sinus venosus defect. AA = ascending
aorta.
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Fig. 5A —65-year-old woman with history of breast cancer and persistent
complaints of dyspnea. Axial contrast-enhanced images of chest show
enlargement of right atrium (RA), right ventricle (RV), and coronary sinus
(asterisk, B). LA = left atrium, LV = left ventricle.
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Fig. 5B —65-year-old woman with history of breast cancer and persistent
complaints of dyspnea. Axial contrast-enhanced images of chest show
enlargement of right atrium (RA), right ventricle (RV), and coronary sinus
(asterisk, B). LA = left atrium, LV = left ventricle.
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Fig. 5C —65-year-old woman with history of breast cancer and persistent
complaints of dyspnea. Still images from cine MRI four-chamber (C and
D) and short-axis (E and F) views of heart show enlarged
right atrium (RA) and right ventricle (RV). Interatrial septum is intact.
Direct connection (arrow, C, D, F) between left atrium
(LA) and coronary sinus (asterisk, F) was identified and was
confirmed on cardiac catheterization to be a defect in coronary sinus septum.
LV = left ventricle.
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Fig. 5D —65-year-old woman with history of breast cancer and persistent
complaints of dyspnea. Still images from cine MRI four-chamber (C and
D) and short-axis (E and F) views of heart show enlarged
right atrium (RA) and right ventricle (RV). Interatrial septum is intact.
Direct connection (arrow, C, D, F) between left atrium
(LA) and coronary sinus (asterisk, F) was identified and was
confirmed on cardiac catheterization to be a defect in coronary sinus septum.
LV = left ventricle.
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Fig. 5E —65-year-old woman with history of breast cancer and persistent
complaints of dyspnea. Still images from cine MRI four-chamber (C and
D) and short-axis (E and F) views of heart show enlarged
right atrium (RA) and right ventricle (RV). Interatrial septum is intact.
Direct connection (arrow, C, D, F) between left atrium
(LA) and coronary sinus (asterisk, F) was identified and was
confirmed on cardiac catheterization to be a defect in coronary sinus septum.
LV = left ventricle.
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Fig. 5F —65-year-old woman with history of breast cancer and persistent
complaints of dyspnea. Still images from cine MRI four-chamber (C and
D) and short-axis (E and F) views of heart show enlarged
right atrium (RA) and right ventricle (RV). Interatrial septum is intact.
Direct connection (arrow, C, D, F) between left atrium
(LA) and coronary sinus (asterisk, F) was identified and was
confirmed on cardiac catheterization to be a defect in coronary sinus septum.
LV = left ventricle.
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Fig. 6A —57-year-old man with persistent left superior vena cava.
Four-chamber (A) and sagittal oblique (B) contrast-enhanced CT
images of heart show presence of IV contrast material in left superior vena
cava (LSVC). Coronary sinus (asterisk) is enlarged, and right atrium
(RA) and right ventricle (RV) are normal size. LA = left atrium.
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Fig. 6B —57-year-old man with persistent left superior vena cava.
Four-chamber (A) and sagittal oblique (B) contrast-enhanced CT
images of heart show presence of IV contrast material in left superior vena
cava (LSVC). Coronary sinus (asterisk) is enlarged, and right atrium
(RA) and right ventricle (RV) are normal size. LA = left atrium.
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Fig. 7A —47-year-old asymptomatic woman with partially anomalous pulmonary
venous connection. Sequential axial contrast-enhanced images of chest show
enlargement of right atrium (RA) and right ventricle (RV). There is abnormal
drainage of right upper and right middle lobe pulmonary veins to superior vena
cava (arrow, A-C) consistent with partially anomalous
pulmonary venous connection. AA = ascending aorta, PA = pulmonary artery, LA =
left atrium, LV = left ventricle.
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Fig. 7B —47-year-old asymptomatic woman with partially anomalous pulmonary
venous connection. Sequential axial contrast-enhanced images of chest show
enlargement of right atrium (RA) and right ventricle (RV). There is abnormal
drainage of right upper and right middle lobe pulmonary veins to superior vena
cava (arrow, A-C) consistent with partially anomalous
pulmonary venous connection. AA = ascending aorta, PA = pulmonary artery, LA =
left atrium, LV = left ventricle.
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Fig. 7C —47-year-old asymptomatic woman with partially anomalous pulmonary
venous connection. Sequential axial contrast-enhanced images of chest show
enlargement of right atrium (RA) and right ventricle (RV). There is abnormal
drainage of right upper and right middle lobe pulmonary veins to superior vena
cava (arrow, A-C) consistent with partially anomalous
pulmonary venous connection. AA = ascending aorta, PA = pulmonary artery, LA =
left atrium, LV = left ventricle.
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Fig. 7D —47-year-old asymptomatic woman with partially anomalous pulmonary
venous connection. Sequential axial contrast-enhanced images of chest show
enlargement of right atrium (RA) and right ventricle (RV). There is abnormal
drainage of right upper and right middle lobe pulmonary veins to superior vena
cava (arrow, A-C) consistent with partially anomalous
pulmonary venous connection. AA = ascending aorta, PA = pulmonary artery, LA =
left atrium, LV = left ventricle.
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Fig. 7E —47-year-old asymptomatic woman with partially anomalous pulmonary
venous connection. Sequential axial contrast-enhanced images of chest show
enlargement of right atrium (RA) and right ventricle (RV). There is abnormal
drainage of right upper and right middle lobe pulmonary veins to superior vena
cava (arrow, A-C) consistent with partially anomalous
pulmonary venous connection. AA = ascending aorta, PA = pulmonary artery, LA =
left atrium, LV = left ventricle.
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Fig. 7F —47-year-old asymptomatic woman with partially anomalous pulmonary
venous connection. Sequential axial contrast-enhanced images of chest show
enlargement of right atrium (RA) and right ventricle (RV). There is abnormal
drainage of right upper and right middle lobe pulmonary veins to superior vena
cava (arrow, A-C) consistent with partially anomalous
pulmonary venous connection. AA = ascending aorta, PA = pulmonary artery, LA =
left atrium, LV = left ventricle.
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Fig. 8 —20-year-old woman with partially anomalous pulmonary venous
return (scimitar syndrome). Posteroanterior chest radiograph shows small right
hemithorax and small right hilum with abnormal curvilinear opacity that
represents anomalous vein in right lower hemithorax (arrows) and
dextroposition of heart due to hypoplastic right lung.
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Fig. 9A —69-year-old man with coronary artery-to-coronary sinus fistula.
Axial ECG-gated CT images of heart show enlarged right atrium (RA). There is
enlarged left main coronary artery connecting to large serpiginous left
circumflex artery (arrow, B-D) that connects to coronary sinus
(asterisk on oblique image, D). AA = ascending aorta, LA =
left atrium, LV = left ventricle, RV = right ventricle.
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Fig. 9B —69-year-old man with coronary artery-to-coronary sinus fistula.
Axial ECG-gated CT images of heart show enlarged right atrium (RA). There is
enlarged left main coronary artery connecting to large serpiginous left
circumflex artery (arrow, B-D) that connects to coronary sinus
(asterisk on oblique image, D). AA = ascending aorta, LA =
left atrium, LV = left ventricle, RV = right ventricle.
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Fig. 9C —69-year-old man with coronary artery-to-coronary sinus fistula.
Axial ECG-gated CT images of heart show enlarged right atrium (RA). There is
enlarged left main coronary artery connecting to large serpiginous left
circumflex artery (arrow, B-D) that connects to coronary sinus
(asterisk on oblique image, D). AA = ascending aorta, LA =
left atrium, LV = left ventricle, RV = right ventricle.
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Fig. 9D —69-year-old man with coronary artery-to-coronary sinus fistula.
Axial ECG-gated CT images of heart show enlarged right atrium (RA). There is
enlarged left main coronary artery connecting to large serpiginous left
circumflex artery (arrow, B-D) that connects to coronary sinus
(asterisk on oblique image, D). AA = ascending aorta, LA =
left atrium, LV = left ventricle, RV = right ventricle.
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Fig. 10A —8-year-old noncyanotic boy with history of tricuspid valve
dysplasia. Posteroanterior (A) and lateral (B) chest radiographs
show markedly enlarged right atrium (asterisk, A) and right
ventricle (arrow, B). Pulmonary vascularity is normal.
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Fig. 10B —8-year-old noncyanotic boy with history of tricuspid valve
dysplasia. Posteroanterior (A) and lateral (B) chest radiographs
show markedly enlarged right atrium (asterisk, A) and right
ventricle (arrow, B). Pulmonary vascularity is normal.
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Fig. 11A —30-year-old man with Ebstein's anomaly. Still images from cine MRI
short-axis (A and B) and long-axis (C and D) views
of heart in systole and diastole show enlarged right atrium and right
ventricle (RV) with apical displacement of septal tricuspid leaflet
(arrowhead, C). Anterior leaflet (arrow, C and
D) is elongated and sail-like.
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Fig. 11B —30-year-old man with Ebstein's anomaly. Still images from cine MRI
short-axis (A and B) and long-axis (C and D) views
of heart in systole and diastole show enlarged right atrium and right
ventricle (RV) with apical displacement of septal tricuspid leaflet
(arrowhead, C). Anterior leaflet (arrow, C and
D) is elongated and sail-like.
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Fig. 11C —30-year-old man with Ebstein's anomaly. Still images from cine MRI
short-axis (A and B) and long-axis (C and D) views
of heart in systole and diastole show enlarged right atrium and right
ventricle (RV) with apical displacement of septal tricuspid leaflet
(arrowhead, C). Anterior leaflet (arrow, C and
D) is elongated and sail-like.
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Fig. 11D —30-year-old man with Ebstein's anomaly. Still images from cine MRI
short-axis (A and B) and long-axis (C and D) views
of heart in systole and diastole show enlarged right atrium and right
ventricle (RV) with apical displacement of septal tricuspid leaflet
(arrowhead, C). Anterior leaflet (arrow, C and
D) is elongated and sail-like.
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Fig. 12A —47-year-old man who underwent repair of tetralogy of Fallot at age
of 6 years. Posteroanterior (A) and lateral (B) chest
radiographs show enlargement of right atrium (asterisk, A),
right ventricle (arrow, B), and left pulmonary artery
(arrowhead, A).
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Fig. 12B —47-year-old man who underwent repair of tetralogy of Fallot at age
of 6 years. Posteroanterior (A) and lateral (B) chest
radiographs show enlargement of right atrium (asterisk, A),
right ventricle (arrow, B), and left pulmonary artery
(arrowhead, A).
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Fig. 12C —47-year-old man who underwent repair of tetralogy of Fallot at age
of 6 years. Still images from cine MRI long-axis views of heart show enlarged
right atrium (RA) and right ventricle (RV) with severe pulmonary valve
insufficiency jet (arrow, D). PA = pulmonary artery.
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Fig. 12D —47-year-old man who underwent repair of tetralogy of Fallot at age
of 6 years. Still images from cine MRI long-axis views of heart show enlarged
right atrium (RA) and right ventricle (RV) with severe pulmonary valve
insufficiency jet (arrow, D). PA = pulmonary artery.
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Fig. 13A —60-year-old man with recurrent right ventricular tachycardia.
Still images from cine MRI short-axis (A) and long-axis (B)
views of heart in systole show enlargement of right ventricle (RV) with focal
aneurysm (arrow, B) consistent with diagnosis of
arrhythmogenic right ventricular dysplasia/cardiomyopathy. LV = left
ventricle.
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Fig. 13B —60-year-old man with recurrent right ventricular tachycardia.
Still images from cine MRI short-axis (A) and long-axis (B)
views of heart in systole show enlargement of right ventricle (RV) with focal
aneurysm (arrow, B) consistent with diagnosis of
arrhythmogenic right ventricular dysplasia/cardiomyopathy. LV = left
ventricle.
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Copyright © 2007 by the American Roentgen Ray Society.