[The monitoring of gas bubbles with a pulsed Doppler ultrasonic locator in humans working in a space suit]

A S Barer; V P Katuntsev; A D Mansfel'd; V P Nikolaev; A M Reĭman; E A Sokol; N K Gnoevaia; M A Skedina; A E Akchurin; A V Shishkov

[The monitoring of gas bubbles with a pulsed Doppler ultrasonic locator in humans working in a space suit]

Aviakosm Ekolog Med. 1999;33(3):34-7.

[Article in Russian]

Authors

A S Barer, V P Katuntsev, A D Mansfel'd, V P Nikolaev, A M Reĭman, E A Sokol, N K Gnoevaia, M A Skedina, A E Akchurin, A V Shishkov

PMID: 10485030

Abstract

Presented are results of gas bubbles monitoring in decompressed humans with the use of an ultrasonic pulse-Doppler locator (PDL). Unlike the classic Doppler bubbles detectors with continuous US emission, PDL is adjusted for reception of echo from a chosen volume of the right ventricle cavity; thus, the clutter due to cardiac beats and human locomotion is successfully rejected. During simulation of Russian EVAs, venous gas bubbles were detected in 3 out of 5 experiments with test-subjects clothed in everyday wear and in 2 out of 3 experiments with suited test-subjects.

Publication types

Comparative Study
Research Support, Non-U.S. Gov't

MeSH terms

Adult
Decompression / statistics & numerical data
Decompression Sickness / blood
Decompression Sickness / diagnostic imaging*
Evaluation Studies as Topic
Extravehicular Activity / physiology*
Humans
Male
Monitoring, Physiologic / instrumentation
Monitoring, Physiologic / methods
Monitoring, Physiologic / statistics & numerical data
Russia
Space Simulation / instrumentation
Space Simulation / methods
Space Simulation / statistics & numerical data
Space Suits*
Time Factors
Ultrasonography, Doppler, Pulsed / instrumentation
Ultrasonography, Doppler, Pulsed / methods*
Ultrasonography, Doppler, Pulsed / statistics & numerical data
Vacuum