Please choose the correct ending to complete the given sentence: Health: [header] How to prepare for an angiogram [title] Talk to your doctor about your medical history. [step] 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.

Ending1: [title] Be aware of any allergies to dogs. [step] Some medications for dogs can cause symptoms of canine meningitis, spread from person to person. Ending2: [substeps] If your doctor says that you should take these medications before the test, feel free to ask her if you can take them at the pharmacies. [title] Request a biopsy if your doctor allows it. Ending3: Ask your doctor to confirm that you're already taking these medications. You should also contact a doctor who will decide your treatment and contact you if anything has changed since the last time you tested for insulin. Ending4: [substeps] 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.

Answer format: ending1/ending2/ending3/ending4