A client is admitted to the emergency department with chest pain and shortness of breath. The client states that the chest pain has been happening intermittently all day, lasts about 15 minutes at a time, and has been happening without any physical exertion or emotional stress. STAT lab results reveal troponin levels of 0.01 ng/mL, and a 12-lead electrocardiogram (ECG) shows sinus tachycardia with a T-wave inversion. Which diagnosis would the nurse expect for this client?
NSTEMI
Stable angina
STEMI
Unstable angina
The Correct Answer is D
A. NSTEMI would present with elevated troponin levels indicating myocardial injury, which is not the case here.
B. Stable angina occurs predictably with exertion and is relieved by rest or nitroglycerin.
C. STEMI is characterized by ST-elevation on the ECG and elevated troponin levels, indicating significant myocardial injury.
D. Unstable angina presents with chest pain that occurs at rest or with minimal exertion and is not predictable. The presence of T-wave inversion and normal troponin levels is consistent with this diagnosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Vitamin K is an antidote for warfarin, not heparin.
B. Enoxaparin is a low molecular weight heparin and is contraindicated in patients with a history of HIT.
C. Warfarin is an oral anticoagulant used for long-term anticoagulation therapy and is not used to neutralize heparin.
D. Protamine sulfate is the specific antidote for heparin and is used to neutralize its effects.
Correct Answer is B
Explanation
A. Plasmapheresis in TTP aims to remove abnormal blood components, not ADAMTS-13. In fact, plasmapheresis helps replenish ADAMTS-13.
B. The primary goal of plasmapheresis in TTP is to remove large von Willebrand factor molecules that are causing platelet aggregation and clot formation.
C. Removing macrophages from the spleen is not the objective of plasmapheresis.
D. Plasmapheresis is usually performed daily until clinical and laboratory parameters improve, not just once a week.
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