The left side of the rib cage after the wooden tightness without pain is mostly due to intercostal neuritis, muscle injury, myocardial ischemia or angina and other factors.
1. Intercostal neuritis: intercostal neuritis is an inflammation caused by herpes zoster, prolonged nerve compression, infection and other factors; the most obvious symptom of intercostal neuritis is pain, pain from back to front, mostly presenting a tingling or burning sensation, and the pain will be aggravated when sneezing and deep breathing. It also causes muscle discomfort in the rib area.
2. Muscle damage: patients with muscle damage usually have obvious swelling and pain at the skin, some basic movements can not be completed, and special postures, such as keeping the torso in a bent state.
3. Myocardial ischemia or angina pectoris: Myocardial ischemia or angina pectoris may also occur: the left side of the rib cage is wooden and tight, and need to carry out an electrocardiogram or blood for further examination.
It is recommended that patients with this symptom go to the hospital in time, under the formal guidance of the doctor for targeted diagnosis and treatment.