نتایج جستجو برای: valsalva maneuver
تعداد نتایج: 8903 فیلتر نتایج به سال:
We discuss the influence of increased pressure (compression and decompression in the hyperbaric chamber) on the human body, in particular the organ of vision. An extraordinary, quite rare case of painless loss of vision connected with retinal hemorrhage, followed by scarring in the person who performed the Valsalva maneuver working inside the hyperbaric chamber. The lesion was determined with h...
Following right-sided pneumonectomy and hemidiaphragm resection in a 58-year-old man with epithelioid mesothelioma, acute respiratory insufficiency and life-threatening circulatory collapse developed after a forced Valsalva maneuver. Major pulmonary embolism was diagnosed on clinical grounds, however computed tomography revealed herniation of the liver into the right hemithorax.
Mediastinal and subcutaneous emphysema have been reported as a consequence of deliberate manipulations of the breathing pattern producing a Valsalva-like maneuver in healthy subjects. We present a case of pneumomediastinum, pneumothorax and subcutaneous emphysema occurring in a normal volunteer after repeated measurements of the PEmax.
The repetitive upper airway muscle atonic episodes and cardiovascular sequelae of obstructive sleep apnea (OSA) suggest dysfunction of specific neural sites that integrate afferent airway signals with autonomic and somatic outflow. We determined neural responses to the Valsalva maneuver by using functional magnetic resonance imaging. Images were collected during a baseline and three Valsalva ma...
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