Table 1. SAM-Grading and Echocardiographic Criteria.
| Grade 0 | Nonexisting |
| Grade 1 | Deviation > 5 mm (M-mode) |
| Grade 2 | Nonholosystolic contact to ventricular septum |
| Grade 3 | Holosystolic contact to ventricular septum |
SAM: systolic anterior motion.
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