The diaphragmatic vault becomes flattened

Introduction The sputum becomes a manifestation of a severe x-ray examination of flat obstructive emphysema. Obstructive emphysema refers to the expansion of the distal part of the terminal bronchioles (including respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli) accompanied by destruction of the wall of the air. X-ray examination showed that the anteroposterior diameter of the thoracic anterior and posterior sternum was too wide. The diaphragm is moved down and the sputum becomes flat. The transparency of both lungs is increased, and the blood vessels in the lung field are fine and sparse. The heart shadow is vertically narrow. Under the fluoroscopy, the thoracic and diaphragmatic activities are weakened. There is also an increase in lung texture, the increase in lung transparency is not obvious, the pulmonary artery in the hilar is widened, and the heart is often enlarged.

Cause

In severe emphysema, the lungs become swollen, expand and squeeze, the diaphragm position moves down, and the tendon becomes flat.

an examination

Related inspection

Chest flat abdomen plain film

X-ray examination of obstructive emphysema: the thorax is full, the ribs are flattened, and the intercostal space is widened. Lateral thoracic anterior and posterior diameters were enlarged and the posterior sternal space was too wide. The diaphragm is moved down and the sputum becomes flat. The transparency of both lungs is increased, and the blood vessels in the lung field are fine and sparse. The heart shadow is vertically narrow. Under the fluoroscopy, the thoracic and diaphragmatic activities are weakened. There is also an increase in lung texture, the increase in lung transparency is not obvious, the pulmonary artery in the hilar is widened, and the heart is often enlarged.

Differential diagnosis

Identification of several lesions in mediastinum:

Mediastinal gas: When there is gas accumulation in the mediastinum, it is called mediastinal emphysema. A small amount of gas can be asymptomatic, sudden occurrence or a large amount of gas entering the mediastinum, oppressing its internal organs, can cause respiratory and circulatory disorders, and even life-threatening.

The enlargement of the mediastinal voiced tone is often caused by inflammation in the mediastinum. Pervasive chest trauma, esophageal or tracheal rupture, intubation of foreign bodies caused by esophageal perforation, anastomotic leakage after esophageal surgery, traumatic perforation during esophagoscopy, and external wear of esophageal cancer.

X-ray examination of obstructive emphysema: the thorax is full, the ribs are flattened, and the intercostal space is widened. Lateral thoracic anterior and posterior diameters were enlarged and the posterior sternal space was too wide. The diaphragm is moved down and the sputum becomes flat. The transparency of both lungs is increased, and the blood vessels in the lung field are fine and sparse. The heart shadow is vertically narrow. Under the fluoroscopy, the thoracic and diaphragmatic activities are weakened. There is also an increase in lung texture, the increase in lung transparency is not obvious, the pulmonary artery in the hilar is widened, and the heart is often enlarged.

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