Left ventricle stress dilatation
5. Idiopathic Hypertrophic Subaortic Stenosis
6. Hypertensive Myocardial Hypertrophy
8. Infiltrating myocardial disease
10. Bland-White-Garland Syndrome
11. Coronary spasm
13. Myocarditis
14. Decreased coronary flow reserve: Syndrome X
15. Recent Post-PTCA
18. Patient Motion
19. Artifact