It could mean multiple things. Some chest pain is caused by stress, you could simply have a stitch or muscle cramp. Could be heart burn; could be a cracked rib. There are different types of pain and if this problem persists then visit your doctor and talk about it.
many things can maybe you ate something bad, you may be dehydrated of lacking electrolights> witch is basically vitamins and minerals
If it is pain full to press on, you may have been struck or injured in some way. It may even be muscle soreness. If you are worried, your Doctor.
Chest pain can be a symptom of a heart attack so should be taken seriously. Chest pain can also be a sign of a variety of other conditions but you should seek medical advice.
Stomach breathing is not actually breathing into your stomach. It is breathing as a result of activating your diaphragm - which sits just above your stomach and pushes on your stomach when its pulling air. Diaphragm breathing is deeper breathing and it's where you pull more air into your lungs. Once the deeper parts of your lungs are filled, the air fills the upper part of your lungs in your chest...
Have you gotten bitten from a bug that you might be allergic to. That might be the cause.
...be careful, it can start of pneumonia, chest infection, Amoxilin worked for me good.
Yes; upper right and lower left AED pads on patient.
No. Gastritis can cause pain in the upper chest and sometimes gassiness or diarrhea. If it is bad enough to cause bleeding it can cause anemia and occasionally be a precursor to an ulcer. Rattling in the chest sounds more like a lung problem such as bronchitis.