You need to avoid those particular foods including the spicy and fatty foods ,have a light dinner,and keep a gap of at least 2-3 hours between the dinner and your bed time.Keep your head end elevated.
For the symptoms you are experiencing, take a combination of pantoprazol 40 mg and domperidone 30 mg once daily for a few. days
Next Steps
As you are in your 60s ,get a baseline ECG tracing done .