Tuesday, October 30, 2012

Submerge person watches out the pressure changes suddenly

Submerge person watches out the pressure changes suddenly
Submerge person watches out the pressure changes suddenly
The intersection of navy and the intersection of general hospital and the intersection of entire PLA and the intersection of hyperbaric oxygen and the intersection of rescue center and the intersection of moustache and intelligent the intersection of army and red yesterday such as peak Fan, the first manned scuba designed by our country, integrated independently " Flood dragon's number " It is deep to top sea of 5000 meters. The sea try, succeed in, mean our country to be manned to dive under water, up to world to be advanced while being flat deeply. Submerge person may face oxygen deficiency, the intersection of carbon dioxide and poison, low body temperature, reduce pressure disease, the intersection of lung and the intersection of atmospheric pressure and wounded, the intersection of air embolus and the intersection of disease,etc. and threat of disease. Leave light boat rise course watch out for, reduce pressure disease Because organism live in environmental reducing of atmospheric pressure ' Namely reduce pressure) It is fast with too big range for speed to cross ' Reduce pressure improperly) ,So that has already dissolved in the internal gas and exceeded saturation limit before reducing pressure, from dissolving the state " Where it is " The ease produces, transfer to the gas of freedom, form bubble and symptom and physical sign caused, called reducing pressure the disease. If submerge person residence time too long, undergo, reduce pressure while being appropriate in the course of leaving the light boat and rising under hyperbar, namely get back to atmosphere, may happen, reduce pressure disease. In addition, until residence time exceed the intersection of depression and limit of depth this already under hyperbar, and adopt and float fast or float and train fast many times within short time, it is ill to reduce pressure. After reducing pressure to finish above 90% of morbidity of the disease of reducing pressure, there are few persons who have illness coming on before reducing pressure to finish. Usually, the improper speed is the quicker to reduce pressure, the greater the range is, the earlier symptom appear, the more serious the condition is; On the contrary, it is later, lighter. , the corresponding disease, acute symptom of depression will take place. The severity of symptom and physical sign, the primary and secondary, the size of time exists of depending on how much the size, quantity of the internal bubble volume are, position where one stays. Because the bubble can be formed on any position of the organism, the bubble formed in the pulse tube can move, so symptom and physical sign are varied and complicated and changeable. The main manifestation is as follows, skin pruritus, scorching hot sense, formication and sweat,etc., the serious one can appear pale and violet-blue is mixed with one kind of stripes of marble of taking shape each other; Pain of the joint, muscle, tendon, ligament, periosteum; The giving much trouble of the spinal causes all kinds of hemiplegia, feel that fails, bes allergic or loses; The brain is given much trouble and can happen headache, feels unusual or loses, transports the work nervous system symptom of lacks proper care, is paralysedding etc., the serious one goes into a coma or dies rapidly; The bubble can also cause thromboembolism and manifestation which is short of blood such as respiratory system, circulatory system, digestive system. Hold one's breath once in a while likely to suffer from the intersection of lung and atmospheric pressure injure lung atmospheric pressure wounded to mean, pigeonhole too high or pass lower than the external atmospheric pressure, causing the lung to organize damaging with the blood vessel in the lung, so that the gas enters blood vessel and a adjacent a kind of disease that organizes and causes. In floating and escaping danger freely, the exhalation substantially as keeping slowly but continuous or holding one's breath once in a while, perhaps the atmospheric pressure of lung takes place wounded; Or in the high-pressure environment, because the air supply is cut off, submerge person breathes more hard, it is the lower to exert oneself the atmospheric pressure in the lung the result, lead to the fact finally the atmospheric pressure of lung is wounded because of forcing down in the lung. The getting wounded disease of atmospheric pressure of lung is relatively urgent, to have illness coming on in 10 minutes at once after the majority is being come out of the cabin or surfaced, minority may happen in the course of reducing pressure. Symptom is as more serious as physical sign. But symptom is not obvious when some diseases, stand up seriously when carrying on the physical exertion. The main manifestation is as follows, spit blood, chest ache, breathe shallow to urge and cough, go into a coma, circulate the intersection of function and obstacle, pneumothorax, angry and swollen, etc. The getting wounded disease of atmospheric pressure of lung is urgent, the condition is serious, once make a definite diagnosis of, it is the most effective therapeutic method to pressurize and treat; Should handle diseases such as pneumothorax, bleeding, circulating the function obstacle, cerebral embolism,etc. actively simultaneously with or after pressurizing and treating. (Chinese Fan put in order)


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