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| This is a recording from a patient with a dual chamber pacemaker set to the DDD mode. The leads endocardial. | Rate (/min) | 81 | QT (ms) | 486 |
| pr (ms) | 159 | QRS axis (degrees) | 168 | |
| QRS (ms) | 195 |
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| This is a recording from a patient with a dual chamber pacemaker set to the DDD mode. The leads endocardial. | Rate (/min) | 81 | QT (ms) | 486 |
| pr (ms) | 159 | QRS axis (degrees) | 168 | |
| QRS (ms) | 195 |