HI Thank for asking to HCM I can understand your problem, your doubt is right you must be having Reflux esophagitis due acid, this condition some time causing the chocking sensation, if I would be your doctor then I would treat you with the following medicines, 1) Tab Omeprazole 40 mg at evening time for six seeks 2) Tab Domeperidone three times in day for six weeks Eat more alkali food like fresh leafy vegetables, avoid citric fruits, avoid coffee, smoking , alcohol prior to bed time keep your stress level low, hope this will helps you, take care and have goo time.