Paroxysmal dull pain under the left chest should be considered whether it is caused by angina pectoris, pleurisy, rib fracture, costochondritis and other diseases.
1. Angina pectoris: due to coronary artery stenosis, occlusion, insufficient blood supply to the heart muscle, oxygen supply, myocardial acute, temporary ischemia and hypoxia caused by episodes of chest pain or chest discomfort, often occurring during labor or emotional excitement, episodes can be manifested in the left under the chest with a dull throbbing pain.
2. Pleurisy: due to viral and bacterial infections, autoimmune diseases, tumors and other reasons, inflammatory reaction can occur in the pleura, manifested as chest pain, chest tightness, cough, fever and other symptoms, which can be manifested as dull throbbing pain under the left chest, which can be aggravated by deep breathing or activities.
3. Rib fracture: Rib fracture can be caused by external violence on the ribs, which manifests as localized swelling, pain, pressure, deformity, activity limitation, etc., and can be manifested as a dull throbbing pain under the left chest.
4. Costal chondritis: it can be caused by trauma, chronic strain, infection, immunity, etc., resulting in inflammatory reaction of the costal cartilage, pain and pressure pain, caused by infectious factors will also appear in the local skin redness, swelling, heat, pain. It can be manifested as a dull throbbing pain under the left chest.
If the above symptoms occur, the cause of the disease should be identified in a timely manner and standardized treatment should be carried out to avoid delays.