| 1. | They freeze the damaged muscle which is near the coronary sinus.
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| 2. | When introduced into the coronary sinus, it is called retrograde cardioplegia.
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| 3. | The coronary sinus empties into the right atrium.
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| 4. | The coronary veins all empty into the coronary sinus which empties into the right atrium.
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| 5. | The coronary sinus valve is also known as the " Thebesian valve ".
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| 6. | From head to tail, these are the atrium, the sinoatrial node and the coronary sinus.
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| 7. | The bottom evolves into : the inferior valve of the vena cava and the coronary sinus valve.
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| 8. | The anterior cardiac veins do not drain into the coronary sinus but drain directly into the right atrium.
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| 9. | It may drain to the coronary sinus, right atrium, middle cardiac vein, or be absent.
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| 10. | The concentration of converging conduction tracts near the coronary sinus results in considerable automaticity activity originating in that area.
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