ECT is a special examination and most of them require intravenous injection of drugs. The examination items are different, the injected drugs are different, the precautions are different, and the waiting time for the examination is different, so please prepare accordingly according to your examination items. Before the examination, try to bring relevant examination materials (including medical records, imaging data, laboratory and pathology results, etc.) for reference. Close cooperation is required during the examination. Do not move your body position to ensure the quality of the images, and pick up the report from the registration room of the department on the second day after the examination (except for thyroid imaging). 1, please consciously abide by the order, call the name to the injection room window to inject, after the injection in the waiting room waiting for the examination, please do not move around, please do not make loud noise, ward patients can according to the examination project waiting time back to the ward rest; 2, whole body bone imaging: must be injected in the drug 3 hours before the start of the examination in turn, can eat normally, after the injection more water, before the examination to empty urine, pay attention to urine do not contaminate clothing, go to remove the clothing before the examination. contaminated clothing, remove metal objects worn on the body (belts, watches, keys, necklaces, etc.) before examination to improve image quality; 3. thyroid imaging: examination should be performed about 30 minutes after drug injection, remove objects worn on the neck (such as necklaces, jade pendants) before examination; 4. myocardial perfusion imaging: examination should be started at least 1 or 5 hours after drug injection, and fatty meals should be eaten 30 minutes after injection; The examination requires fasting and discontinuation of heart disease drugs as far as possible; cardiac blood pool imaging: 2 injections of drugs are required, and the examination can be started 30 minutes after the second injection, and no special preparation is needed before the examination; 5. If your blood glucose is too high, you should wait longer or be treated accordingly; after intravenous injection of imaging drugs, you should rest quietly, do not talk to others and avoid tense positions. Before the examination, please take out the metal objects (such as belt, keys, necklace, coins, etc.) from the body surface before going to the examination bed, and keep the valuables in a safe place, Please leave your contact information so that the physician can contact you. If the patient cannot be seen as scheduled, please make sure to notify the ECT room at least one day in advance, and the patient will be responsible for any loss of medication due to the patient’s factors. 7. Other imaging: consult with the ECT room.