| 1 | Constrictive/Effusive Pericarditis (Dog) |
| 2 | Dilated Cardiomyopathy (Dog) |
| 3 | Ventricular Septal Defect (Dog) |
| 4 | Subaortic Stenosis (Dog) |
| 5 | Hypertrophic Cardiomyopathy (Cat) |
| 6 | Right-To-Left PDA (Cat) |
| 7 | Pulmonic Stenosis (Dog) |
| 8 | Ventricular Septal Defect (Cat) |
| 9 | Myxomatous Mitral Valve Degeneration (Small Dog) |
| 10 | Myxomatous Mitral Valve Degeneration (Large Dog) |
| 11 | Myxomatous Mitral Valve Degeneration with Left Atrial Rupture (Dog) |
| 12 | Heartworm Disease (Dog) |
| 13 | Pulmonic Stenosis/Coronary Artery Anomaly (Dog) |
| 14 | Sick Sinus Syndrome (Dog) |
| 15 | Supraventricular Tachycardia (Dog) |
| 16 | Systemic Hypertension (Dog) |
| 17 | Patent Ductus Arteriosus (Dog) |
| 18 | Unclassified Cardiomyopathy/Atrial Standstill (Cat) |
| 19 | Intracardiac Tumor (Dog) |
| 20 | Mitral Stenosis (Dog) |
| 21 | Systemic Thromboembolism/Hypertrophic Cardiomyopathy (Cat) |
| 22 | Infective Endocarditis (Dog) |
| 23 | Tricuspid Valve Dysplasia (Dog) |
| 24 | Pericardial Effusion/Hemangiosarcoma (Dog) |
| 25 | Peritoneopericardial Diaphragmatic Hernia (Cat) |
| 26 | Double Chambered Right Ventricle (Dog) |
| 27 | Heartworm Disease (Dog) |
| 28 | Arteriovenous Fistula (Dog) |
| 29 | Tetralogy of Fallot (Cat) |
| 30 | Boxer Cardiomyopathy (Dog) |
| 31 | Heartworm Disease (Cat) |
| 32 | Dilated Cardiomyopathy (Cat) |
| 33 | Heartworm Disease (Dog) |
| 34 | Pacemaker (Cat) |
| 35 | AV Block (Dog) |
| 36 | Restrictive cardiomyopathy (endomyocardial fibrosis; Cat) |
| 37 | Subaortic stenosis (Dog) |
| 38 | Atrial septal defect (Dog) |
| 39 | Tricuspid Valve Stenosis (Dog) |
| 40 | Cor Triatriatum Dexter (Dog) |