Ball-valve effect of a contaminated spinal needle

Foreign body airway obstruction causing a ball valve effect

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...

Eldor spinal needle versus Pencan spinal needle.

Mitral Ball-Valve Prosthesis

REPLACEMENT of nonfunctioning valves is a significant recent advancement in the correction of cardiac valvular disease. The most widely used artificial device replacing the mitral valve is the Starr-Edwards ballvalve prosthesis.' Its effectiveness was shown in recent reports by the marked clinical improvement in properly selected patients.2 However, cardiologists and cardiac surgeons are faced ...

Aortic ball valve resistance.

Basaloid Squamous Cell Carcinoma: An Unusual Ball-Valve Laryngeal Obstruction

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...