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CCRN Nursing Exam Prep - Adult Critical Care

Category - Adult Critical Care Registered Nurse Test Prep

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What signs would be most indicative that Thrombolytic Therapy has been successful in the patient who has had a myocardial infarction and is four hours into Thrombolytic Therapy?
  1. A respiratory rate of 22/ minute and an oxygen saturation of 94% on 1 liter of oxygen
  2. A heart rate of 102 and a blood pressure of 138/82
  3. A return of an elevated ST interval to normal on the electrocardiogram
  4. A PR interval less than 0.24 on the electrocardiogram
Explanation
Answer: C - The sign that would be most indicative that Thrombolytic Therapy has been successful in the patient who has had a myocardial infarction and is four hours into Thrombolytic Therapy is a return of the ST interval to normal on the electrocardiogram (EKG). Other signs thrombolytic therapy has been effective include relief of chest pain and improved left ventricular function.
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