Question: A 64-year-old patient with a history of atrial flutter is scheduled for elective synchronized cardioversion. The nurse prepares the equipment and activates the "synchronize" mode on the defibrillator. The nurse explains that the electrical impulse will be delivered at which point in the cardiac cycle to ensure safety? Need Assignment Help? Group of answer choices During the vulnerable period at the peak of the T wave During the ventricular repolarization phase During the ST segment following ventricular contraction During the R wave of the QRS complex