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AACN PCCN (PCCN) Practice Tests & Test Prep by Exam Edge


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AACN Progressive Care Nursing Certification Sample Test

1 of 5

What often occurs to the myocardium when patients experience substantial damage following an infarct?





Correct Answer:
left ventricular dilation and dysfunction


when an infarct, commonly known as a heart attack, occurs, it typically leads to the death of cardiac muscle tissue due to prolonged lack of oxygen supply (ischemia). the area of the heart most frequently affected is the left ventricle, which is responsible for pumping oxygenated blood to the rest of the body. following an infarct, if significant damage is sustained by the myocardium—the muscular tissue of the heart—several pathological changes can take place as the heart attempts to compensate for the loss of functional muscle tissue.

one of the primary responses to myocardial damage is left ventricular dilation. this refers to the enlargement or stretching of the left ventricular chamber. initially, this might be a compensatory mechanism aimed at maintaining cardiac output despite the loss of contracting myocardium. the heart tries to pump more blood with each contraction by increasing the size of the ventricle, allowing it to hold more blood. however, over time, this dilation can lead to left ventricular dysfunction.

left ventricular dysfunction following dilation is characterized by a reduction in the pumping efficiency of the heart. the dilated heart muscle struggles to contract effectively, and as a result, it cannot pump blood as forcefully as needed. this can lead to further complications, including congestive heart failure, where the heart is unable to meet the body’s demands for blood and oxygen. symptoms might include fatigue, shortness of breath, and fluid accumulation in various parts of the body.

moreover, the dilation and dysfunction of the left ventricle can also lead to changes in the heart's structure and electrical system, potentially causing arrhythmias (irregular heartbeats) and an increased risk of sudden cardiac death. the severity of these outcomes largely depends on the extent of the original myocardial damage and the effectiveness of the immediate treatment provided to mitigate the damage and manage the aftermath of the infarct.

in summary, left ventricular dilation and dysfunction are common consequences of substantial myocardial damage following an infarct. these complications highlight the critical need for prompt medical intervention during and after a heart attack to preserve as much cardiac function as possible and prevent further deterioration of the heart's performance.


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AACN Progressive Care Nursing Certification - Additional Information

At ExamEdge.com, we focus on making our clients' career dreams come true by offering world-class practice tests designed to cover the same topics and content areas tested on the actual American Association of Colleges of Nursing AACN Progressive Care Nursing Certification (PCCN) Certification Exam. Our comprehensive AACN Progressive Care Nursing Certification practice tests are designed to mimic the actual exam. You will gain an understanding of the types of questions and information you will encounter when you take your American Association of Colleges of Nursing AACN Progressive Care Nursing Certification Certification Exam. Our AACN Progressive Care Nursing Certification Practice Tests allow you to review your answers and identify areas of improvement so you will be fully prepared for the upcoming exam and walk out of the test feeling confident in your results.

Because our practice tests are web-based, there is no software to install and no need to wait for a shipment to arrive to start studying. Your AACN Progressive Care Nursing Certification practice tests are available to you anytime from anywhere on any device, allowing you to study when it works best for you. There are 20 practice tests available, each with 100 questions and detailed explanations to help you study. Every exam is designed to cover all of the aspects of the AACN PCCN exam, ensuring you have the knowledge you need to be successful!