Pacemak 2mg Injection is a medicine used for the treatment of bradycardia (decreased heart rate) and heart block. It is also used for emergency treatment of cardiac arrest. This medicine increases the heart rate and blood pressure. Pacemak 2mg Injection is administered under the supervision of a doctor. Your doctor will decide the dose and duration of the medicine for you. Doctor may closely monitor your blood pressure and heart rate till you became stable. You should continue all your other medicines that are advised for your long-term treatment even after this injection. This medicine may cause side effects like headache, palpitations, and flushing in some patients. You must inform doctor if you are suffering from any liver or kidney disease. Also let your doctor know about all the other medications that you are using regularly. This medicine is not usually recommended during pregnancy or breastfeeding, so always consult your doctor before taking it.