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Arrhythmia, performed - Coggle Diagram

- - - - Lignocaine
    - - Metoprolol
    - - Amiodrone
    - - Verapamil
- - - - most rapidly depolarizing
        
        generates the greatest number of actions potentials per time unit
- - - - sinoatrial (SA) node.
        
        The wave of excitation spreads across the atria, causing them to contract.
        
        Upon reaching the atrioventricular (AV) node, the signal is delayed.
        
        It is then conducted into the bundle of His, down the interventricular septum.
        
        The bundle of His and the Purkinje fibers spread the wave impulses along the ventricles, causing them to contract.