ECCO Exam Questions with 100% Correct Answers

A patient has a transcutaneous pacemaker. Which action should the nurse implement when a pacemaker spike occurs but is not followed by ventricular complex? Assess the heart rate Increase the mA Increase the mV Assess the ECG lead placement Correct Answer Increase the mA A patient has a transvenous temporary pacemaker in place. Pacemaker spikes are noted on the ECG, but they are not followed by a P wave or QRS complex. Which is initially indicated? Reposition patient on the right side Increase the sensitivity (set mV to a lower number). Check the connections. Decrease the mS (output) Correct Answer Check the connections. A patient has a epicardial temporary pacemaker in place at a rate of 70 and mA of 6. The patient's rhythm is junctional with a rate of 55. No pacemaker spikes are noted on the ECG. Which is initially indicated. Increase the mV on the sensitivity dial Change the batteries Increase the pacemaker rate Increase the mA (output) Correct Answer Change the batteries A patient's ICD defibrillates and the nurse assesses the patient's rhythm and vital signs. What should be the nurse's next step? Watch to see whether the ICD terminated the dysrhythmia Place a magnet over the ICD Turn off the ICD, and insert a new battery Change the ICD to standby mode Correct Answer Watch to see whether the ICD terminated the dysrhythmia A nurse notes bradycardia in a patient admitted with subarachnoid hemorrhage and vomiting. What medications may increase the patient's risk of sudden cardiac death due to long QT syndrome? Anticholinergics or phosphodiesterase inhibitors Acetaminophen or calcium channel blockers ACE inhibitors or anticonvulsants Antibiotics or antidysrhythmics Correct Answer Antibiotics or antidysrhythmics Which patient is at greatest risk for development of torsades de pointes? A patient with a... QTc of 0.40 with hypercalcemia QTc of 0.52 with hypokalemia QTc of 0.44 with hyperphosphatemia QTc of 0.36 with hyponatremia Correct Answer QTc of 0.52 with hypokalemia A patient has indication for synchronized cardioversion? A patient with: Ventricular tachycardia with BP 100/60 (73) Supraventricular tachycardia with chest pain Atrial fibrillation with a history of VTE Sinus bradycardia with mental status changes Correct Answer Supraventricular tachycardia with chest pain A nurse finds a patient unresponsive and without a palpable pulse. Which of the following assessments is an indication for defibrillation? Ventricular fibrillation Cyanosis Pulse oximeter below 80 Asystole Correct Answer Ventricular fibrillation Which should the nurse include in preparing a patient for an electrophysiology study? "You'll see yourself in v tach on the screen" "The study calls for dye to be places in your IV" "You will be sedated for the procedure" "Since you will be awake, you can eat a light breakfast" Correct Answer "You will be sedated for the procedure" A patient with a history of cocaine use reports headache, blurred vision, severe chest pain, nausea, and vomiting. Vital signs are: BP 214/136, HR 106, RR 24. Which priority is initially indicated? Emergent ophthalmology consult Implement a chest pain protocol Initiation of anti-emetic therapy Administration of an antihypertensive Correct Answer Administration of an antihypertensive A patient reports sudden onset of chest pain, and dyspnea. Which 3 assessment findings would differentiate whether the cause is ACS or pericarditis? Pericarditis pain often accompanied by severe headache ACS pain is not usually accompanied by fever Pericarditis chest pain increases with inspiration