Alveolar Air Resulting from Submarine Escape Training : a Post - Training Roentgenographic Survey

نویسنده

  • Gerald J. Duffner
چکیده

Submarine escape training for submarine personnel has been conducted by the U. S. Navy since 1930. By 1957, more than 250,000 ascents had been recorded. Most casualties due to this traininginvolved extra-alveolar air and/or embolism, and those few casualties which have occurred had usually been recorded and reported. In view of this, several questions were asked, among them one concerning the incidence of extra-alveolar air after submarine escape training in personnel who are not considered to be casualties. Chest roentgenograms of 170 personnel taken immediately after undergoing routine submarine escape training were examined. Two men were found to have roentgenographic evidence of extra-alveolar air. The close association of extra-alveolar air with air embolism is postulated and the true incidence of these entities after submarine escape training is questioned. It was concluded that the incidence of air emboli and/or extraalveolar air following submarine escape training may be much greater than previously suspected.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Reprinted from PHYSIOLOGY OF BREATH-HOLD DIVING AND THE AMA OF JAPAN Publication 1341, 1965 National Academy of Sciences—National Research Council ADAPTATION TO BREATH-HOLD DIVING

During the training of submarine crews in submarine escape procedures, such as "free or buoyant ascent, "instructors at the escape training tank frequently hold their breath under water and perform "skin" dives to depths as great as 90 feet. The ascent is carried out by climbing up a'line. These diving maneuvers are similar to those practiced by sponge and pearl divers. The escape training tank...

متن کامل

The effect of breathing hyperoxic gas during simulated submarine escape on venous gas emboli and decompression illness.

Raised internal pressure in a distressed submarine rapidly increases the risk of decompression sickness (DCS) following submarine escape. The hypothesis that breathing a hyperoxic gas during escape may reduce the risk of DCS was tested using goats. Shallow air saturation and simulated submarine escape dives were carried out either singularly or in combination (saturation, escape, or saturation ...

متن کامل

eSCAPE: a Large-scale Synthetic Corpus for Automatic Post-Editing

Training models for the automatic correction of machine-translated text usually relies on data consisting of (source, MT, human postedit) triplets providing, for each source sentence, examples of translation errors with the corresponding corrections made by a human post-editor. Ideally, a large amount of data of this kind should allow the model to learn reliable correction patterns and effectiv...

متن کامل

CARBON DIOXIDE EFFECTS UNDER CONDITIONS OF RAISED ENVIRONMENTAL PRESSURE by

Exposure to increased pressure, such as that encountered under water, affects the mechanics of respiration and in particular, the behavior of the respiratory gases. Carbon dioxide plays a major role in the physiology of the high-pressure environment, since the increased breathing resistance easily leads to carbon dioxide retention. The latter has been observed frequently in scuba and helmet div...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2014