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 helps maintain a normal heart rate. Amiodarone has many different effects or properties to treat abnormal heart rhythms (arrhythmias). Beta Blockers are useful in the treatment of chest pain (angina). Beta Blockers are also used to treat high blood pressure and abnormal heart rhythms.