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Ask your doctor if you are supposed to take your usual morning medications. If you have diabetes, ask if you can take insulin or oral blood sugar medications before the test.  Tell your doctor if you have a history of asthma, kidney or bleeding problems. Special precautions may be needed if you have one of these conditions. You may be asked not to take aspirin (including other products that contain aspirin) or prescription blood thinners for several days before the test. Discuss with your doctor when you can resume these medications. Pregnant women need to be cautious about doing certain things to avoid harming the fetus. If you are or might be pregnant, or if you just had a baby, discuss these details with your doctor so that you can decide on the best course of action.  It is extremely important to tell your doctor if you are pregnant because an angiogram is needed to detect a potential coronary artery blockage. This may result in the need for reperfusion stenting to restore blood flow to the heart. Use formula for one to two days after your angiogram if you are breast-feeding until the dye has passed through your body. Your doctor will determine what testing you need to undergo before your angiogram. Make sure you follow your doctor’s directions and complete any recommended testing. You may need to have blood taken or an electrocardiogram done before the angiogram.
Talk to your doctor about your medical history. Tell your doctor if you are pregnant. Complete all necessary pre-procedure tests.