Acoustic characteristics of air cavities at low audible frequencies with application to pneumoperitoneum detection

Medical and Biological Engineering and Computing

Volumn 39, Issue 2, 2001, Pages 159-167

  Mansy, H A ^a,b   Royston, T J ^c   Sandler, R H ^b  

^a RUSH MEDICAL COLLEGE   (United States)

^b Illinols Institute of Technology   (United States)

^c 1120 Science and Engineering Offices   (United States)

Author keywords

Acoustics; Audible frequency; Diagnosis; Dogs; Pneumoperitoneum

Indexed keywords

AIR; BIOLOGICAL ORGANS; CAVITY RESONATORS; FREQUENCIES;

AIR CAVITIES;

BIOMEDICAL ENGINEERING;

ACOUSTICS; AIR; ANIMAL EXPERIMENT; ANIMAL MODEL; ARTICLE; AUDITORY SYSTEM PARAMETERS; CONTROLLED STUDY; DISEASE SEVERITY; DOG; FEASIBILITY STUDY; FEMALE; FREQUENCY ANALYSIS; HYPOTHESIS; INTESTINE PERFORATION; LOUDNESS; LOW FREQUENCY NOISE; MATHEMATICAL COMPUTING; MEDICAL RESEARCH; NOISE MEASUREMENT; NONHUMAN; PATHOLOGY; PERITONEAL CAVITY; PNEUMOPERITONEUM; PREDICTION; QUANTITATIVE DIAGNOSIS; SEDATION; SENSOR;

ACOUSTICS; ANIMALS; AUSCULTATION; DOGS; FEASIBILITY STUDIES; FEMALE; PILOT PROJECTS; PNEUMOPERITONEUM; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 0035044089     PISSN: 01400118     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02344798     Document Type: Article

References (28)

1. Diagnosis of minimal to moderate pneumoperitoneum
2. Imaging of pneumoperitoneum
3. Pneumomediastinum: Old signs and new signs
4. Ultrasound versus plain film in the detection of pneumoperitoneum
5. Extraluminal air: Diagnosis and significance
6. Sound transfer function in the congested canine lung
7. Sonoelasticity imaging: Theory and experimental verification
8. Transmission to the chest of sound introduced at the mouth
9. The acoustic bubble
10. Diagnosis of pneumoperitoneum on supine abdominal radiographs
11. Pneumoperitoneum: Importance of right upper quadrant features
12. The roentgenological demonstration of tiny amounts of free intra-peritoneal gas: Experimental and clinical studies
13. Rupture of the bowel after blunt abdominal trauma: Diagnosis with CT
14. Theoretical acoustics
15. Noninvasive method for the assessment of subcutaneous oedema
16. Field and impedance of an oscillating sphere in viscoelastic medium with an application to biophysics
17. Calculation of the acoustic modes of a spherical cavity by using wedge elements
18. Roentgenographic diagnosis of pneumoperitoneum
19. Analysis of shear wave propagation in skin: Application to an experimental procedure
20. The dynamic mechanical properties of human skin in vivo
21. Excitation and propagation of surface waves on a viscoelastic half space with application to medical diagnosis
22. The accuracy of computerized tomography in the diagnosis of blunt small bowel trauma
23. Diagnosis of pneumoperitoneum: Abdominal CT vs. upright chest film
24. The pulsation frequency of nonspherical gas bubbles in liquids
25. Physics of vibrations in living tissues
26. Transfer function of sound transmission in subglottal human respiratory system at low frequencies
27. Phase delay of pulmonary acoustic transmission from trachea to chest wall
28. Acoustic impedance of the maternal abdomen