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| This is a recording from eighty year old male on metoprolol, ASA, and a diuretic. | Rate (/min) | 55 | QT (ms) | 429 |
| pr (ms) | 220 | QRS axis (degrees) | -40 | |
| QRS (ms) | 83 |
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| This is a recording from eighty year old male on metoprolol, ASA, and a diuretic. | Rate (/min) | 55 | QT (ms) | 429 |
| pr (ms) | 220 | QRS axis (degrees) | -40 | |
| QRS (ms) | 83 |