To determine whether there is a delay in impulse conduction through the atria,the nurse will measure the duration of the patient's

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The P wave represents the depolarization of the atria.The P-R interval represents depolarization of the atria,atrioventricular (AV)node,bundle of His,bundle branches,and the Purkinje fibers.The QRS represents ventricular depolarization.The Q wave is the first negative deflection following the P wave and should be narrow and short.

To Determine Whether There Is a Delay in Impulse Conduction