AACN ECG Written EXAM 2025 QUESTIONS AND CORRECT ANSWER Which of the following are roles a clinician plays in ECG monitoring? - answer>>>All of the above. Where should the pacing spike appear? - answer>>>Before the P wave in an atrial pacemaker and before the QRS complex in a ventricular pacemaker. Identify the valve indicated by the arrows below: - answer>>>Mitral PVCs are always harmful and need to be treated. - answer>>>False Most patients maintain hemodynamic stability with sustained monomorphic ventricular tachycardia. - answer>>>False Using the small box method, there are 15 small boxes between one R wave and the next. The rate on this strip is: - answer>>>100 beats per minute Multifocal atrial tachycardia, also known as Wandering Atrial Pacemaker, is identified by: - answer>>>Irregular R-R interval and P waves of different shapes. Patients with a Second Degree AV Block Type I most likely are asymptomatic. The nurse will monitor the rhythm closely understanding that it could progress to a more serious type of block. - answer>>>True __________ is the lowest amount of energy or the lowest amount of output (milliamps) required to cause the heart to respond each time an electrical impulse is fired by the pacemaker. - answer>>>Stimulation