Hi, I'm Dr Chaithanya experienced Physician attending you now.
Chest tightness can be due to many reasons. A mere anxiety or a heart attack.
You heart rate is high, but BP is not so abnormal.
If the chest tightness is more, and you have it from long time, I don't think it is good to wait. Please go to ER, so that they do an EKG and rule out heart stroke.
Hope this helps.
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