A patient is receiving intravenous heparin for acute coronary syndrome. Which laboratory test is used to monitor the therapeutic effect of unfractionated heparin?
Correct answer: B. Activated partial thromboplastin time
- A. International normalised ratio
- B. Activated partial thromboplastin time
- C. Serum creatinine concentration
- D. Platelet aggregation time
Explanation
The activated partial thromboplastin time is commonly used to monitor unfractionated heparin therapy and guide dose adjustment. The international normalised ratio is primarily used for warfarin therapy, not routine unfractionated heparin monitoring.
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About Cardiovascular Nursing
Covers assessment and nursing care for hypertension, coronary artery disease, angina, myocardial infarction, heart failure, valvular disease and dysrhythmias. It includes interpreting vital signs and ECG findings, managing chest pain, monitoring cardiac medicines, recognizing complications and distinguishing left-sided from right-sided heart failure.
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