Basics: Difference between revisions

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[[Image:ECG_principle_slow.gif|thumb|The electric discharge of the heart, first slowly]]
[[Image:ECG_principle_slow.gif|thumb|The electric discharge of the heart, first slowly]]
[[Image:ECG_Principle_fast.gif|thumb|The electric discharge of the heart, faster now]]
[[Image:ECG_Principle_fast.gif|thumb|The electric discharge of the heart, faster now]]
'''In the sinal node (SA node) are pacemakercells which determine the heart frequency.'''
'''The sinal node (SA node) contains pacemakercells which determine the heart frequency.'''
 
'''First the [[heart|atria]] depolarise and contract, after that the [[heart|ventricles]]'''
'''First the [[heart|atria]] depolarise and contract, after that the [[heart|ventricles]]'''
The electrical signal between the atria and the ventricles goes from the sinus node, via the atria to the AV-node (atrioventricular transition) to the His bundle and subsequently to the right and left bundle branch, which end in a dense network of Purkinje fibers.
The electrical signal between the atria and the ventricles goes from the sinus node, via the atria to the AV-node (atrioventricular transition) to the His bundle and subsequently to the right and left bundle branch, which end in a dense network of Purkinje fibers.

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