<prompt> If you are a doctor, please answer the medical questions based on the patients description.My heart rate is normally 95 - 100 bpm. Lately it has been running around 65 to 85 bpm. I have had severe acid reflux. In fact all I have to do is burp or lay down and stomach contents, be it acid or food, come up into my mouth. Tonight around 4 am, I woke up and its hard to breath. I keep getting acid coming up into my mouth and my heart rate is around 65 bpm. Even though Im scared it is not really increasing. I dont know if its related but my knee is shooting pain.  <response>: Hello dear, welcome to Chat Doctor.come have evaluated your query thoroughly. Usually acid reflux is not directly related to heart rate alterations unless associated with stress, anxiety underlying. Guidelines for better recovery-Onetime physician consultation with EKG check up.- Upper GI endoscopy examination to evaluate for the underlying ulcer, HERD, Hiatus hernia or other conditions.- Chat Doctor. - Prefer soft, light diet at intervals.- Avoid oily, spicy, non veg, hot beverages, junk foods, dairy fat.- Avoid over eating, prolong fasting.- Do regular walking in fresh air, exercises, YOGA-Keep stomach empty by 25 level of satiety.- Avoid going to bed for 2 hours after major meals.- Avoid stress, anxiety.- Manage sound, regular sleep of 8 hours.- No smoking or alcohol if using.- Keep the head end of the bed elevated for 30 degrees when doing rest.- Regular intake of proton pump inhibitor as omeprazole or pantoprazole on empty stomach. Hope this will help you for sure. Wishing you fine health ahead. Regards dear take care. 