Nihar sir physician

what area of the back? pain since when? any injury or accident history?

What is your age? Since how long have you had chest pain? Any other accompanying symptoms?  Please visit the nearest emergency and get an ECG done. The emergency doctor would be able to tell you of the reason for chest pain is cardiac/non-cardiac. If its cardiac, please visit a cardiologist for the....

bone marrow is not indicated in this case. is there any history of fever or body ache? if yes, then since how long?