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Bio topic D4 - Coggle Diagram
Bio topic D4
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Electrocardiograph (ECG)
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Irregular waves
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Arrythmias: normal beating, inconsistent rhythm
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Heart conduction
Systole
Atrial contraction
- SA node (controls heartbeat) sends signal for contraction
- Sends signal to atrial myocardium
- Atria contracts, blood is pushed into ventricles
- SA node sends signal AV node
Ventricular contraction
- Sends signal to bundle of hiss
- Bundle of hiss sends signal to pump blood from ventricles
- Blood from ventricles is pushed to arteries
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