| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire cardiac chamber | Is a | True | Cardiac chamber structure | Inferred relationship | Some |  | 
| Structure of left side of heart | Is a | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Cardiac ventricular structure | Is a | True | Cardiac chamber structure | Inferred relationship | Some |  | 
| All chambers of the heart | Is a | True | Cardiac chamber structure | Inferred relationship | Some |  | 
| Atrial structure | Is a | True | Cardiac chamber structure | Inferred relationship | Some |  | 
| Structure of right side of heart | Is a | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Intracardiac pressure | Finding site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Percutaneous transluminal electrophysiological studies on conducting system of heart | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Post-infarction mural thrombus | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Intracardiac thrombosis in low output state | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Intracardiac electrophysiologic procedure with ECG | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| bilateraal atrium van hart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Bilateral isomeric atria | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Right ventricular thrombus | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Left ventricular thrombus | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Electrocardiogram, intracardiac, His bundle recording | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Repair of coronary arteriovenous chamber fistula | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Intracardiac phonocardiogram | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Repair of coronary arteriocardiac chamber fistula | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Electrocardiogram, intracardiac | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some |  | 
| Excision of intracardiac tumor with cardiopulmonary bypass | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Mural thrombus of heart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Thrombosis of atrium, auricular appendage, and ventricle due to and following acute myocardial infarction (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Atrial thrombosis | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Heart atria and ventricle operations | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Laceration of heart with open wound into thorax AND with penetration of heart chambers | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Laceration of heart with penetration of heart chambers | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Truncus arteriosus, Edwards' type IV | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 3 | 
| Discordant ventriculoarterial connection (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Total great vessel transposition | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Dextrotransposition of aorta (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Incomplete great vessel transposition | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Absent atrioventricular connection with straddling valve | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Abnormal ventriculoarterial connection | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 3 | 
| Transposition of arterial trunk NEC | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Transposition of aorta | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Single outlet ventriculoarterial connection | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Solitary aortic trunk with pulmonary atresia | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 3 | 
| Solitary pulmonary trunk with aortic atresia | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Solitary arterial trunk | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Type II common arterial trunk | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 3 | 
| Complete transposition of great vessels (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 4 | 
| Other specified transposition of great vessels | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Great vessel transposition NOS | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Common arterial trunk and separate origin of pulmonary arteries (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 4 | 
| Common truncus arteriosus (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 3 | 
| Common arterial trunk and common origin of pulmonary arteries (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 4 | 
| Corrected transposition of great vessels | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 4 | 
| Common arterial trunk and widely separate origin of pulmonary arteries (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 3 | 
| Repair of coronary arteriocardiac chamber fistula | Procedure site - Indirect (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Aneurysm of heart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Intra-atrial recording | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Congenital aneurysm of heart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Heart laceration with open wound into thorax, with penetration of heart chambers | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 4 | 
| echt aneurysma cordis (aandoening) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Ruptured heart aneurysm repair | Procedure site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Aneurysm of heart NOS | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Other cardiac wall aneurysm | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Cardiac rupture due to and following acute myocardial infarction (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Rupture of heart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Holodiastolic murmur (finding) | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Percutaneous transluminal electrophysiological studies on conducting system of heart | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Intracardiac electrophysiologic procedure with ECG | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Electrocardiogram, intracardiac, His bundle recording | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Intracardiac phonocardiogram | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Repair of coronary arteriocardiac chamber fistula | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Initial implantation of cardiac dual-chamber device | Procedure site - Indirect (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Electrocardiogram, intracardiac | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Right ventricular recording | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Heart atria and ventricle operations | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Ruptured heart aneurysm repair | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Repair of coronary arteriocardiac chamber fistula | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Intracardiac electrophysiologic procedure with ECG | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Right ventricular recording | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Percutaneous transluminal electrophysiological studies on conducting system of heart | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Electrocardiogram, intracardiac, His bundle recording | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Electrocardiogram, intracardiac | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Post-infarction mural thrombus | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Absent atrioventricular connection with straddling valve | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Ruptured heart aneurysm repair | Procedure site - Direct (attribute) | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Heart laceration with open wound into thorax, with penetration of heart chambers | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 4 | 
| Other cardiac wall aneurysm | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Mural thrombus of heart | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Laceration of heart with penetration of heart chambers | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| echt aneurysma cordis (aandoening) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Congenital aneurysm of heart | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| bilateraal atrium van hart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Cardiac rupture due to and following acute myocardial infarction (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Initial implantation of cardiac dual-chamber device | Procedure site - Indirect (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Rupture of heart | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Aneurysm of heart NOS | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Thrombosis of atrium, auricular appendage, and ventricle due to and following acute myocardial infarction (disorder) | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Bilateral isomeric atria | Finding site | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Intracardiac phonocardiogram | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Intracardiac thrombosis in low output state | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Aneurysm of heart | Finding site | True | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Cardiocentesis | Procedure site - Direct (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 2 | 
| Cardiocentesis | Procedure site - Indirect (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 | 
| Cardiocentesis | Procedure site - Indirect (attribute) | False | Cardiac chamber structure | Inferred relationship | Some | 1 |