S27: Injury of other and unspecified intrathoracic organs
S27.1: Traumatic haemothorax
An injury like this occurs, for example, as a result of an accident or a violent blow to the chest.
The lungs are surrounded by a smooth membrane. A smooth membrane like this is also located inside the ribs. Both membranes cling to each other via a small amount of fluid. Through the suction of the fluid between the membranes, the lungs follow the movements of the chest while breathing. The lungs then alternately expand and contract. Air for breathing flows into the lungs and out again during these movements.
As a result of the injury, blood has got into the membranes around the lungs. As a result, these two membranes can no longer cling to each other. If the two membranes are no longer able to come together via suction, the lungs are no longer able to expand and contract as they normally do. As a result, you may have pain or shortness of breath.
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