I have had a weight on my chest for some time and experiencing tightness in the chest like heartburn but had ecg and blood test for heart. Had this for 5 weeks or so thought it was stress have dry mouth feel like I have phlegm on chest, but nothing to bring up.
Thanks for your question on Chat Doctor. I can understand your situation and problem. Since your ECG is normal, no need to worry about heart diseases. By your history and description, possibility of HERD (gastroesophageal reflux disease) is more in your case. You are also having stressful life and stress is the biggest risk factor for HERD. It is due to laxity of gastroesophageal sphincter. Because of this the acid of the stomach tends to come up in the esophagus and cause central burning chest pain. So avoid stress and tension. Avoid hot and spicy food. Avoid large meals, instead take frequent small meals. Start proton pump inhibitors and prokinetic Chat Doctor.  Don't worry, you will be alright. Hope I have solved your query. Wish you good health. Thanks.