Page 402 - ECG dr shamol_Slide
P. 402

Cause of first degree heart block








     AMI /IHD


     Acute rheumatic fever


     Myocarditis


     Hypokalaemia


     Digitalis toxicity , quinidine  ,B-blocker










      No  R           x



      R  of the primary cause
               x
   397   398   399   400   401   402   403   404   405   406   407