Chest And Back Pain Numbness In Left Arm. When upper back or shoulder pain is accompanied by numbness in the arm it can stem from a problem in the neck or shoulder that inflames a nerve going down the arm. Heart attack related chest pain can also be felt in either or both armpits but chest pain with armpit pain may also be signs of a muscle injury or something more serious like breast cancer or.
For some people numbness of the arm is a symptom of a heart attack. Pain in the left arm that comes and goes is a possible sign of a heart attack. When upper back or shoulder pain is accompanied by numbness in the arm it can stem from a problem in the neck or shoulder that inflames a nerve going down the arm.
If a person feels.
This can affect a nerve that runs down the left arm causing numbness and pain in the area. Left sided chest pain can be due to a heart attack or other life threatening condition for which every minute matters. This can affect a nerve that runs down the left arm causing numbness and pain in the area. Some people may have worsening upper back pain and arm numbness as the day goes on whereas others may experience worse symptoms when waking up in the morning.