نتایج جستجو برای: ball and cage valve
تعداد نتایج: 16858622 فیلتر نتایج به سال:
Pneumocephalus is a commonly encountered entity in patients of head trauma and post-op cases neurosurgery, however it rarely observed after spinal anaesthesia.
 It presents orthostatic hypotension associated with severe headache, nausea vomiting. We report case pneumocephalus following anaesthesia administered for open hernia repair.
 The proposed mechanisms secondary to tapping are t...
A 64-year-old woman was admitted for dyspnea at rest and orthopnea. She had a mitral valve Starr-Edwards prosthesis implanted in 1975 for rheumatic mitral valve disease and was in permanent atrial fibrillation ever since. Chest x-ray (postero-anterior view) showed a massively enlarged cardiac silhouette with a cardiothoracic index of 0.90 and calcified contours of the right heart border, extend...
This paper describes an experimental, theoretical model and numerical study of concentrated vortex flow past a sphere in a hydraulic check valve. The phenomenon of the rotation of the ball around the axis of the device through which liquid flows has been found. That is, due to the rotation of the sphere in the check valve vibration is caused. We observe the rotation of the sphere around the lon...
The authors present the case of a 29-year-old fit and well ASA I patient. Whilst consuming his morning coffee, he suddenly began to cough violently. He then became dysphonic and severely dyspnoeic, with the symptoms quickly resolving after a few minutes. The patient thought that he had choked on his coffee. He initially complained of a sore throat, an intermittent rasping voice and the presence...
A ball-valve airway obstruction by a blood clot cast of almost the whole bronchial tree occurred in a small-cell lung cancer patient, who had been on mechanical ventilation for 9 days. Chest radiographs revealed overinflated lungs. Attempts to remove the cast via fibreoptic bronchoscopy were unsuccessful and the patient died. A postmortem extraction of the clot was performed with a rigid tube. ...
INTRODUCTION A rare case of basaloid squamous cell carcinoma (BSCC) of the larynx, which has not been previously reported, is described. CASE REPORT A 60-year-old man was presented to the Otolaryngology Department with progressive dyspnoea and dysphagia to solids for over a period of 1 week. Direct laryngoscopy revealed a tumour at the laryngeal aspect of the epiglottis, which prolapsed into ...
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