ECG ati All answers available.

ECG ati All answers availableA nurse is assisting with the care of a client who was admitted to the telemetry unit after he experienced chest pain, dyspnea and diaphoresis. Which of the following ECG findings is a manifestation of acute myocardial infarction? - ANSWERThe ST segment is above the isoelectric line. Rationale: Myocardial infarction is classified as ST elevation (MI STEMI) or non-ST elevation (MI NSTEMI). ST elevation is a manifestation of MI STEMI. A nurse is assisting with the care of a client in the emergency department and reports severe radiating chest pain and shortness of breath. The client appears restless, frightened, and slightly cyanotic. The provider prescribes oxygen by nasal cannula at 4 L/min stat, cardiac enzyme levels, IV fluids, and a 12-lead ECG. Which of the following actions should the nurse take first? - ANSWERInitiate oxygen therapy. Rationale: The greatest risk to the client's safety is myocardial ischemia; therefore, the first action the nurse should take is initiate oxygen therapy. A nurse is reinforcing teaching with a newly licensed nurse about reading a client's ECG tracing. The nurse should include in the teaching that the P wave represents which of the following cardiac electrical activities? - ANSWERAtrial depolarization. Rationale: The P wave represents atrial depolarization, typically initiated in the sinoatrial node. A nurse is reinforcing teaching with a client who is scheduled for an ECG. Which of the following instructions should the nurse include? - ANSWER"You will need to lie still on your left side during this test." Rationale: The client will need to lie still on his left side or supine during the ECG. A nurse is reinforcing teaching with a newly licensed nurse about reading a client's ECG tracing. The nurse should include in the teaching that which of the following ECG components represent the time it takes for ventricular depolarization and repolarization? - ANSWERQt Interval Rationale: The QT interval reflects the time it takes for ventricular depolarization and repolarization. The nurse should measure the QT interval from the start of the QRS complex to the end of the T wave. A nurse is planning to perform an electrocardiogram (ECG) for a client who has a history of coronary heart disease. Which of the following actions should the nurse take? (Select all that apply.) - ANSWER- Inspect the electrode pads. .