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- In medicine Imaging Lung Sound Behavior with Vibration Response Imaging (VRI), is a novelty computer-based technology that takes the concept of the stethoscope to a more progressive level. Since the invention of the stethoscope by René-Théophile-Hyacinthe Laennec France in 1816, physicians have been utilizing lung sounds to diagnose various chest conditions. Today auscultation provides physicians with extensive information on the examination of the patient. The skills of the examiner however, vary, as seen in a clinical study that was conducted on the diagnosis of pneumonia in 2004. The technology is based on the physiologic vibration generated during the breathing process when flow of air distributing through the bronchial tree creates vibration of the bronchial tree walls and the lung parenchyma itself. Emitted vibration energy propagating through the lung parenchyma and the chest wall reaches the body surface where is captured and recorded by a set of acoustic sensors. The sensors are positioned over the lung areas on the back that allows for the simultaneous reception of these signals from both lungs. These signals are then transformed by a complex algorithm to display the spatial changes in energy intensity during the breathing cycle. The intensity changes follow changes of airflow through the breathing cycle - i.e.: flow increases and decreases during inspiration and expiration. The VRI technology represents these changes as a grey scale-based dynamic image. The darker the higher the vibration intensity and the lighter the lower the vibration intensity is. (en)
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- 9169 (xsd:nonNegativeInteger)
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- Imaging Lung Sound Behavior with Vibration Response Imaging (en)
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- physiologic vibration generated during the breathing process (en)
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- In medicine Imaging Lung Sound Behavior with Vibration Response Imaging (VRI), is a novelty computer-based technology that takes the concept of the stethoscope to a more progressive level. Since the invention of the stethoscope by René-Théophile-Hyacinthe Laennec France in 1816, physicians have been utilizing lung sounds to diagnose various chest conditions. Today auscultation provides physicians with extensive information on the examination of the patient. The skills of the examiner however, vary, as seen in a clinical study that was conducted on the diagnosis of pneumonia in 2004. (en)
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- Imaging Lung Sound Behavior with Vibration Response Imaging (en)
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