Abstract
Amiodarone is a Class III antiarrhythmic agent used for cardioversion and prevention of recurrences of atrial fibrillation. However, its use is limited due to its side-effects resulting from the drug's long-term administration. We have described acute epigastric pain following treatment with intravenous amiodarone for atrial fibrillation in a previous report. Hereby, we describe a second patient who suffered acute epigastric pain, as well as one who suffered acute low back pain. Intravenous amiodarone has been related to a series of minor and major adverse reactions, indicating other constituents of the intravenous solution as the possible cause, possibly polysorbate-80. A possible correlation between acute epigastric and low back pain after intravenous amiodarone loading is unproven; however it is of crucial importance for clinicians to be aware of this phenomenon, and especially since an acute epigastric pain is implicated in the differential diagnosis of cardiac ischemia.
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