Cardiology Questions Answered by Verified Cardiologists.
This is Dr. David
if you have had bad anxiety symptoms before like anxiety attacks or excessive anxiety, these would be much more likely to cause you chest pain and left upper arm pain compared to heart related chest pain at your age.
a heart attack at your age would be very very unlikely
an exposed nerve on the tooth can cause tooth sensitivity, especially if you have dry mouth.
a pinched nerve in your neck or upper back can also cause pain in the left upper arm and pain under the left shoulder blade.
excessive neck tension and shoulder tension can cause these types of pains as well.
have you ever needed to take medications for excessive anxiety ?