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 used to treat irregular heartbeats. Treatment with it will be started by a heart specialist. It is very important that you take amiodarone exactly as your doctor tells you to. You will be started on a high dose, for one week only. Your dose will then be reduced over the following two weeks to a maintenance dose.