Filgrastim, sold under the brand name Neupogen among others, is a medication used to treat low blood neutrophils due to a number of causes. This includes when it occurs following chemotherapy, radiation poisoning, HIV/AIDS, or is of unknown cause.
Bradycardia and heart block occur in 1 to 3 percent of patients receiving amiodarone. 2 Amiodarone-induced proarrhythmia occurs at an annual rate of less than 1 percent.
Amiodarone is for use only in treating life-threatening heart rhythm disorders. You will receive your first few doses in a hospital setting, where your heart rhythm can be monitored using an electrocardiograph or ECG (sometimes called an EKG).