A nurse assesses a clients electrocardiograph tracing and observes that not all QRS complexes are preceded by a P wave. How should the nurse interpret this observation?
a. The client has hyperkalemia causing irregular QRS complexes.b. Ventricular tachycardia is overriding the normal atrial rhythm.c. The clients chest leads are not making sufficient contact with the skin.d. Ventricular and atrial depolarizations are initiated from different sites.
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