Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to cure a swollen ankle [title] Schedule an appointment with your doctor or visit an emergency room. [step] If you have been injured and you are in pain, seek medical treatment right away. Visit an emergency room if you think you need immediate treatment or if you cannot get in to see your regular doctor.

Ending1: [substeps] Call your local emergency room to have their help pick you up or post a contact, e.g., a friend, or friend's home address. Coordinate with at least 1 other person to make an appointment as soon as possible. Ending2: When your doctor examines you, she will ask you questions and check for certain signs to determine the degree and type of injury that you have. Be honest about your pain and other symptoms to help your doctor diagnose and treat your injury. Ending3: [substeps] Call 911 or the national emergency response service if your pain is severe or if you have continued to have severe aches or pains on your ankle. Your doctor may want to see you for a second course of treatment if it is not directly related to your injury. Ending4: [substeps] Call emergency room if pain relievers or doctor-recommended painkillers do not help or you still think you have a swollen ankle. Any of these medications may have a potentially dangerous effect on the swelling, so have them make an appointment for you.

Answer format: ending1/ending2/ending3/ending4