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10.1121/10.0002705 http://scihub22266oqcxt.onion/10.1121/10.0002705 33379875!7857509!33379875     free     free     free Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Acoust+Soc+Am 2020 ; 148 (6): 3385 Nephropedia Template TP {{tp|p=33379875|t=2020. Human forced expiratory noise Origin, apparatus and possible diagnostic applications |pdf=|usr=}}{{33379875}} gab.com Text Human forced expiratory noise Origin, apparatus and possible diagnostic applications JO: J Acoust Soc Am http://www.kidney.de/pget.php?&tw=1&pmid=33379875 #FOAvip Forced expiratory (FE) noise is a powerful bioacoustic signal containing information on human lung biomechanics. FE noise is attributed to a broadband part and narrowband components-forced expiratory wheezes (FEWs). FE respiratory noise is composed by acoustic and hydrodynamic mechanisms. An origin of the most powerful mid-frequency FEWs (400-600 Hz) is associated with the 0th-3rd levels of bronchial tree in terms of Weibel [(2009). Swiss Med. Wkly. 139(27-28), 375-386], whereas high-frequency FEWs (above 600 Hz) are attributed to the 2nd-6th levels of bronchial tree. The laboratory prototype of the apparatus is developed, which includes the electret microphone sensor with stethoscope head, a laptop with external sound card, and specially developed software. An analysis of signals by the new method, including FE time in the range from 200 to 2000 Hz and band-pass durations and energies in the 200-Hz bands evaluation, is applied instead of FEWs direct measures. It is demonstrated experimentally that developed FE acoustic parameters correspond to basic indices of lung function evaluated by spirometry and body plethysmography and may be even more sensitive to some respiratory deviations. According to preliminary experimental results, the developed technique may be considered as a promising instrument for acoustic monitoring human lung function in extreme conditions, including diving and space flights. The developed technique eliminates the contact of the sensor with the human oral cavity, which is characteristic for spirometry and body plethysmography. It reduces the risk of respiratory cross-contamination, especially during outpatient and field examinations, and may be especially relevant in the context of the COVID-19 pandemic. Twit Text FOAVip Human forced expiratory noise Origin, apparatus and possible diagnostic applications ????J Acoust Soc Am http://www.kidney.de/pget.php?&tw=1&pmid=33379875 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33379875 #FOAvip English Wikipedia <ref>{{Cite pmid|33379875}}</ref> Human forced expiratory noise Origin, apparatus and possible diagnostic applications #MMPMID33379875 Korenbaum VI; Pochekutova IA; Kostiv AE; Malaeva VV; Safronova MA; Kabantsova OI; Shin SN J Acoust Soc Am 2020[Dec]; 148 (6): 3385 PMID33379875show ga Forced expiratory (FE) noise is a powerful bioacoustic signal containing information on human lung biomechanics. FE noise is attributed to a broadband part and narrowband components-forced expiratory wheezes (FEWs). FE respiratory noise is composed by acoustic and hydrodynamic mechanisms. An origin of the most powerful mid-frequency FEWs (400-600 Hz) is associated with the 0th-3rd levels of bronchial tree in terms of Weibel [(2009). Swiss Med. Wkly. 139(27-28), 375-386], whereas high-frequency FEWs (above 600 Hz) are attributed to the 2nd-6th levels of bronchial tree. The laboratory prototype of the apparatus is developed, which includes the electret microphone sensor with stethoscope head, a laptop with external sound card, and specially developed software. An analysis of signals by the new method, including FE time in the range from 200 to 2000 Hz and band-pass durations and energies in the 200-Hz bands evaluation, is applied instead of FEWs direct measures. It is demonstrated experimentally that developed FE acoustic parameters correspond to basic indices of lung function evaluated by spirometry and body plethysmography and may be even more sensitive to some respiratory deviations. According to preliminary experimental results, the developed technique may be considered as a promising instrument for acoustic monitoring human lung function in extreme conditions, including diving and space flights. The developed technique eliminates the contact of the sensor with the human oral cavity, which is characteristic for spirometry and body plethysmography. It reduces the risk of respiratory cross-contamination, especially during outpatient and field examinations, and may be especially relevant in the context of the COVID-19 pandemic. |*COVID-19[MESH] |Acoustics/*instrumentation[MESH] |Exhalation/*physiology[MESH] |Humans[MESH] |Noise[MESH] |Respiratory Sounds/*diagnosis[MESH]Human forced expiratory noise Origin, apparatus and possible diagnost(epmc).pdf DeepDyve Pubget Overpricing