Advanced Patient Assessment Practice Exam

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Study for the Advanced Patient Assessment Exam. Use flashcards and multiple-choice questions, each enriched with hints and detailed explanations. Equip yourself for success with this comprehensive prep!

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What is the normal progression of abnormalities seen on the ECG for a patient having a myocardial infarction?

ST elevation followed by large Q waves
ST depression, large Q waves, and then ST segment elevation
Large Q waves, ST elevation, followed by ST depression
ST depression followed by large Q waves

The correct answer is: ST elevation followed by large Q waves

The normal progression of abnormalities seen on an electrocardiogram (ECG) during a myocardial infarction typically begins with ST elevation. This is indicative of acute myocardial injury and is generally the first significant change that occurs during the infarction process. As the myocardial tissue begins to necrose over time, large Q waves develop. These Q waves reflect the loss of electrical activity from the infarcted area, which signifies that the myocardial tissue is no longer viable. This sequence – starting with ST elevation, leading to the development of large Q waves – encompasses the evolution of changes that an ECG would display in response to myocardial infarction. These findings are critical for healthcare professionals to recognize early in order to implement timely treatment strategies. Other provided options do not accurately reflect the typical progression of ECG changes associated with myocardial infarction, leading to their exclusion as correct choices.