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in WPW, PR should be <0.12. Does it mean less than 3 small square? every small square in ECG is 0.04 seconds! Am I right? Because in the WPW-related ECG I see PR is more than 0.12! PR is from the beginning of P till beginning of Q?

It says P wave comes after QRS coplex in WPW!! What does this mean?










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