I've been having this pain in my left chest, and sometimes it even spreads to my hand. It's starting to worry me, and I'm not sure if it's something serious. What do you think I should do about it? Should I be concerned?

Immediate Action
a. Seek medical attention immediately, especially if the pain is severe, persistent, or accompanied by symptoms like shortness of breath, sweating, or nausea.
b. Call emergency services if the pain is sudden and intense.

Possible Causes
a. Consider cardiac issues, especially if the pain radiates to the arm.
b. Other possibilities include musculoskeletal or gastrointestinal causes.

Next Steps
a. Avoid physical exertion until evaluated by a healthcare professional.
b. Keep a record of when the pain occurs and any associated symptoms to discuss with your doctor.