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→Electrocardiogram
=Electrocardiogram=
=Electrocardiogram=
* sinus or not sinus? (look at P waves in II and V1)
* rate is 300 / number of large boxes between R waves, or the number of complexes on a rhythm strip x 6
* QRS narrow or wide?
* axis, look for isoelectric lead
* PR interval
* QTc interval
* Signs of MI: T wave morphology? ST elevations/depressions? Pathologic Q waves? R wave progression? LBBB?
* Signs of Heart Failure: P wave morphology? LVH?
=Cardiac Physical Exam=
=Cardiac Physical Exam=