If the patient has a tingling sensation at the left cardiac orifice, the reasons are as follows: 1. Whether the patient has trauma, such as fracture of sternum or rib, contusion of surrounding soft tissue, and traction injury, there will be a tingling sensation at the left cardiac orifice. 2. Cardiac diseases, such as coronary heart disease, unstable angina pectoris, myocarditis, rheumatic heart disease, infectious heart valve disease, may also present tingling symptoms in the left cardiac orifice. 3. Severe respiratory diseases, such as large area of left lung infection, pleural effusion, pleurisy. 4. Pneumothorax caused by various factors will also have the above conditions, such as space occupying in the left chest, tumors such as lung cancer will also have symptoms of heartburn. 5. Chest wall diseases, such as intercostal neuralgia or herpes zoster pain, can also cause tingling in the left cardiac orifice.
