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.
Almost any substance taken into the body affects the equilibrium of the comanism. Heart rate is one of the quickest changes that occur as a direct reflection of this change that results in disequilibrium. For example, beta blockers (Inderal, Propranolol, Lopressor, etc.) cause bradycardia or the heart rate to drop.