Like many areas of the body, your mouth is teeming with bacteria â most of them harmless. Normally the body's natural defenses and good oral health care, such as daily brushing and flossing, can keep these bacteria under control.
Moreover, stomach and digestive symptoms (pain, shooting pain, radiating pain, pressure, fullness, tightness, discomfort) also can be felt in the chest area and may be perceived as heart related, as well. Stomach and digestive symptoms are also common for stress and anxiety, and can emulate chest tightness, pressure, and pain.
Can a knot in the upper left back (roughly chest high) cause tightness and pain in the center of the chest, worse more Can a knot in the upper left back (roughly chest high) cause tightness and pain in the center of the chest, worsened by motion/deep inhalations?