hello, There are two possibilities, one is gastritis and reflux disease and second is cardiac arrhythmia. It probably be a acidity and reflux disease. Do you upper abdominal pain, nausea, burping, increase in pain on food, sour water feeling in throat or chest burning, if yes it further supports the diagnosis. You should avoid fatty, oily and high calorie diet. Have some walk after having food instead of taking rest. Have multiple small meals instead of heavy meals. Have regular sleep habits and avoid stress. Lots of green leafy vegetables, fruits. Avoid smoking and alcohol if any. Iron supplements tend to these symptoms, if having a lot you can take supplements after food. You can get prescribed tab Pan DSR 40 mg beforebreakfast once a day for 2 weeks. If none of the above symptoms are present, then there is a possibility of cardiac arrhythmia like psvt or atrial fibrillation, in which heart rate suddenly goes up and also suddenly decreases. Blood pressure falls during these episodes and one has dizziness, fainting, blackouts, sometimes syncope. Usually ecg is normal as it is usually done in between the episodes. ECG done during episodes will show abnormality, so try to get ecg done during the episode. If ecg is not informative then you will need 24 hour holter monitoring if episodes are occurring on daily basis. So visit nearby cardiologist for these investigation. Till the time your evaluation is complete, you can ask your local doctor for tab ciplar LA 20 mg once a day.