Subcutaneous emphysema can come from trauma of some type of injury, or it can come from infection.

皮下肺气肿可能来自某种类型的创伤，也可能来自感染。

Here we're dealing with subcutaneous emphysema.

这里我们处理的是皮下肺气肿。

Diagnoses like pneumothorax, pneumomediastinum, pneumoperitoneum, and subcutaneous emphysema are all examples of air where it shouldn't be.

诸如气胸、纵隔气肿、气腹与皮下气肿等都是这类疾病的代表。

Subcutaneous emphysema. He's barely moving air.

缺氧性肺气肿 他几乎无法呼吸。