Conversation: The conversation between human and AI assistant.
[|Human|] I was hit several times on the right side of my head. I went to the dr and had x rays done and they said closed head injury. I ve been hit in the head before but never had crackling/popping in my ear. The ear doing this is on the same side as where I was hit. I told the doctor but she didn t say what is causing it
[|AI|]  Hello! Thank you for asking on Chat Doctor! It is common to have noise in the ears after a head concussion. But sometimes this noise, especially when mimics the heart rhythm (pulsatile tinnitus) can be caused by an intracranial arteriovenous communication also called rural fistula. I would recommend performing a brain MRI to exclude this possibility. If the brain MRI results normal, there is nothing to worry about. Hope to have been helpful! Best wishes,