AACN ECG Written Exam Questions and Answers

AACN ECG Written Exam Questions and Answers The following characteristics describe which rhythm: Regular or irregular R-R interval, atrial rate of 250- 350 bpm, sawtooth pattern between QRS complexes, normal QRS interval. - Ans:-Atrial Flutter Which of the following are indications for the use of a temporary pacemaker? - Ans:-Atrial fibrillation with a ventricular rate of 36 Second degree type II AV Block as a bridge to permanent pacemaker It is important when cleaning the ECG cables and lead wires with disinfectant to: - Ans:-Wipe the cables and lead wires with the disinfectant and let them air dry; do not wipe off the disinfectant. Compared to the walls of the left ventricle, the walls of the right ventricle are thin. - Ans:-True In a typical 5 lead configuration, where is the white electrode (RA) placed? - Ans:-The white electrode (RA) is placed at the infraclavicular fossa, close to the right shoulder. Which of the following are consequences of a patient with an inferior myocardial infarction with a first- degree AV block with a PR interval of 0.24 seconds (240 msec)? - Ans:-The rhythm usually causes no clinical problems for the patient. ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/12 Mr. Davis had cardio-thoracic surgery to replace his mitral valve three days ago. His recovery has only been remarkable for a brief episode of atrial fibrillation which converted with one dose of IV medication. You now note him to be in the rhythm below. Possible interventions would include the following: - Ans:-All of the above. Sinus bradycardia differs from sinus rhythm in which of the following ways: - Ans:-The rate of sinus bradycardia is slower than normal (less than 60 bpm) A patient is having failure to capture. One of the troubleshooting actions should include which of the following? - Ans:-Increasing the mA Atrial fibrillation is identified by all of the following except: - Ans:-Normal P-P interval Today's ECG monitors are so advanced that there's really nothing left for the clinician to do. - Ans:- False What is the amplitude of one small vertical box on the ECG paper? - Ans:-1 mm The primary goal in treating accelerated junctional rhythm is to: - Ans:-Identify and treat the cause A patient in atrial fibrillation with a rapid ventricular response experiences the following symptoms: shortness of breath, chest pain, and dizziness. You understand these symptoms are due to __________ ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/12 and require immediate response which may include __________. - Ans:-Decreased cardiac output; electrical cardioversion Atrial tachycardia that occurs spontaneously and is self limiting is called: - Ans:-Paroxysmal atrial tachycardia (PAT) What does the horizontal axis on the ECG paper represent? - Ans:-Time What does preparing the skin for electrode placement by applying a skin prep solution do? - Ans:- The skin prep solution increases the adherence of the electrode to the skin. The skin prep solution helps decrease moisture and friction so that the electrodes can stick while preventing the adhesive from pulling off the skin with removal. You are caring for Mr. Adam, a 19 year old male admitted after he tripped and experienced a 30 foot fall while out hiking. He has broken ribs, a fractured femur, and collarbone