Mediastinal pneumatosis examination method?

summary

Local soft tissue infiltration refers to the phenomenon that the liquid slowly penetrates into the soft tissue, the abnormal cells are immersed in the human tissue, or the body cells that should not appear under normal circumstances appear, and some pathological tissues expand to the surrounding. Excessive accumulation of abnormal substances or original substances in cells or stroma is also called infiltration. Some degeneration or deposition is also called infiltration. What is the method of mediastinal pneumatosis?

Mediastinal pneumatosis examination method?

Pay attention to the related inducements and history of the disease. A small amount of pneumomediastinum may be asymptomatic. Generally, there may be chest tightness, shortness of breath and retrosternal pain. If the sudden occurrence of mediastinal pneumothorax complicated with tension pneumothorax, severe chest pain, dyspnea, palpitation, increased heart rate, high fever, chills, shock when combined with infection. Severe mediastinal emphysema compresses the large thoracic vessels, affecting the circulation and blood volume.

Such as neck, sternal fossa or chest axillary, abdominal subcutaneous emphysema, subcutaneous grip snow feeling, twist pronunciation; The boundary of heart murmur shrinks or disappears, and the special friction sound (rattle) can be heard in the precordial area. In severe cases, the venous reflux of chest and neck was obstructed, the veins were tortuous, and the blood pressure was low. In patients with pneumothorax, percussion on the diseased side showed tympanic sound, and respiratory sound disappeared.

Chest X-ray examination: mediastinal pleura was pushed to both sides by gas on the posteroanterior chest film, zonal translucent shadow could be seen on both sides of mediastinum, obvious outside the left heart margin, and increased translucency of retrosternal space could be seen on the lateral chest film. In patients with subcutaneous emphysema, there were air bands and signs of gas accumulation under the neck and chest.

matters needing attention

The diagnosis of this disease is generally not difficult, often induced by mediastinal emphysema related diseases, dyspnea and sternal pain and other symptoms. Chest X-ray examination found that the mediastinum on both sides of the translucent band can be definitely diagnosed. The possibility of mediastinal emphysema should be considered for unexplained cervical subcutaneous emphysema. Acute cardiac insufficiency should be differentiated from myocardial infarction in severe patients.