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→What is the cardiac frequency?
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# Non regular rhytms are best determined with the "3 second marker method" Count the number of QRS-complexes that fit in 3 seconds (some ECG writers register this period on the ECG paper). Multiply this number by 20 and find the number of beats/minute. | # Non regular rhytms are best determined with the "3 second marker method" Count the number of QRS-complexes that fit in 3 seconds (some ECG writers register this period on the ECG paper). Multiply this number by 20 and find the number of beats/minute. | ||
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|+'''Finetuning the 'square counting' method''' | |||
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|300|250|214|187|167|150| | |||
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|150|136|125|115|107|100| | |||
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|100|94|88|83|79|75| | |||
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|75|71|68|65|62|60| | |||
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{{clr}} | {{clr}} | ||