Originally Posted by
Mike T
Heart pain can radiate to the shoulder(s), usually the left, particularly if there has been injury/arthritis in the shoulder, as this, as it were, establishes the pain pathways. 7.5 mg of diamorhine - heroin - is a standard dose for a fit male, though it would be normal to give it in 1.25 - 2.5mg aliquots. The highest dose I gave to a heart patient was 27 mg - the pain was still there but no longer bothered him.
Take care with your recovery - there is no hurry.
Best wishes,
Mike.