Page 557 - ECG dr shamol_Slide
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Step 7
                                                 Progression of  R wave












          Next see                           is the height of R is gradually



            V  to  V             6          increase from V1 to V6
                 1

                                            If R  in V  < S in V6 – poor
                                                                   6

                                            progression of  R wave
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