cardiac cycle keywords
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18 questions
| 🇬🇧 | 🇬🇧 |
| The pacemaker of the heart | Sinoatrail node (SA) |
| Slows the conduction rate to allow for complete contraction | Atrioventricular node (AV) |
| Increases the conduction velocity and relays the impulses through to the ventricles | Atrioventricular bundle (bundle of his) |
| Relays conduction into the right and left ventricles | Right and lefts bundle branches |
| Unique gap junctions in cardiac muscle. allow for fast synchronised contraction of cardiac muscle | Intercalated discs |
| Heart sounds on auscultation. the second heart sound, generated by the closure of the SL valves = S2 | Dub |
| Valve that does not function properly, due to either non closure (floppy valve) or inability of blood to go through (stenotic valve) | Incompetent valve |
| Heart beating to fast, over 100 bpm | Tachycardia |
| Heart beating to slow, under 60 bpm | Bradycardia |
| 60-100 bpm | Resting adult heart rate |