A decrease in your chest pain usually indicates that it is working. It may be used cautiously or not at all if your blood pressure is too low. Nitroglycerin, when used properly, has few serious side effects. These drugs are used cautiously or not at all in people with slow heart rates to begin with, low blood pressure, and certain types of heart block. Beta-blockers have been conclusively shown to improve both immediate and long term survival in heart attack patients.
Side effects are generally minor.
For some reason they still are not used as frequently as they could be in treating patients suffering from a heart attack. If your symptoms and EKG indicate you are having a heart attack you may receive clot dissolving medications immediately. There are several different types of clot dissolving medicines in use currently. Each medication has its supporters. TPA is about 10 times more expensive than streptokinase but has a much lower incidence of serious allergic reactions.