The nurse plans close monitoring for the patient during electrophysiologic testing because this test
a. requires the use of dyes that irritate the myocardium.
b. causes myocardial ischemia, resulting in dyshythmias.
c. involves the use of anticoagulants to prevent thrombus and embolism.
d. induces dysrhythmias that may require cardioversion or defibrillation to correct.