Lung blast

Due to the explosion of high-pressure boilers, chemicals or gas, during the war, due to the strong explosive or nuclear explosion, huge energy can be released instantly, which causes the pressure and temperature at the explosion center to rise sharply and quickly spread to the surroundings, forming a supersonic speed. High-pressure waves, that is, shock waves. Continuous overpressure-negative pressure of air shock wave or underwater shock wave acts on the human body, causing the chest and abdomen to compress and expand sharply, and a series of hemodynamic changes occur, causing heart, lung and blood vessel damage; The implosion effect occurs under pressure, which causes gas-containing tissues (such as alveoli) to be damaged; pressure waves are reflected at the interface when they pass through tissues of different densities to cause fragmentation effects, causing damage; and tissues of different densities are subjected to the same pressure wave Later, due to the different inertia effects, the speed varies, and tears and bleeding occur at the connection site. The damage caused by the above shock wave directly acting on the human body is called knock injury.

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