Dobutamine stress test and beta-agonist - a potential concern for nuclear cardiology testing: a case report.
INTRODUCTION: Chest pain with ST-segment elevation is a rare clinical problem during dobutamine stress testing. Although beta-agonists treatment prior to dobutamine stress testing has been shown to reduce the duration and amount of dobutamine infusion and atropine requirement, there is insufficient information about potential complications of this pharmacologic combination. CASE PRESENTATION: We present a 67-year-old patient with dobutamine stress testing -induced chest pain and ST elevation who received albuterol for clinical treatment of bronchospastic disease prior to the test. She developed persistent chest pain and ST elevation despite medical management. Urgent cardiac catheterization showed no significant obstructive coronary artery disease. Thus coronary artery spasm was likely responsible for the chest pain and electrocardiogram abnormality in our patient as a result of beta-agonist and dobutamine combination. CONCLUSIONS: Beta-agonists pre-treatment with dobutamine stress testing may induce coronary spasm in association with chest pain and ST elevation. Clinicians and nuclear cardiologist should be aware of this potential side effect of beta-agonists treatment with dobutamine stress testing, particularly since dobutamine stress testing in nuclear cardiology is done in patient with chronic obstructive lung disease.[1]References
- Dobutamine stress test and beta-agonist - a potential concern for nuclear cardiology testing: a case report. Ozcan, C., Zaret, B.L. Cases. J (2009) [Pubmed]
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