| Clinical | Radiology | Echocardiography |
| Features of heart failure | Exudative pericardial effusion | Notch or retraction of right sided cardiac chambers (never in left sided chambers) |
| Skin lesions | Cardiomegaly | Prominent fibrous strands and may appear as “cobra head” in cardiac chambers and pericardial space |
| Skeletal muscle atrophy | Pleural effusion rarely | Aneurysmal right atrium |
| Giant exudative ascites | Endocardial calcification | Biatrial enlargement |
| Biventricular enlargement | ||
| Aneurysmal right ventricle | ||
| Aneurysmal left ventricle | ||
| Dilated cardiomyopathy | ||
| Apical and endocardial | ||
| Fibrosis with apical obliteration and tethering of AV valve leaflets to the ventricular walls |