What would cause sudden severe pain beneath my left shoulder blade? Thank you for any advice you can give.
I'm not a doctor, so it's difficult for me to even attempt to advise you what could be causing this pain. Any time you suffer sudden onset pain like this, particularly anywhere in the chest area (front or back), it should be evaluated immediately because it could signs of a heart attack or other cardiovascular issue. I recommend being evaluated by your physician to determine the cause of your pain.
Here are some links that might be helpful to you in the meantime:
Symptoms of a Heart Attack
Chest Pain - General Information
Stress and Heart Disease: How to Lower Your Risk
All the best,
Lisa Nelson RD
Be Heart Healthy and Lose Weight