From the Second Department of Cardiology, Attikon University Hospital, Athens, Greece. Manuscript received August 23, 2010; accepted September 6, 2010. A72-year-old, asymptomatic patient with a history of permanent atrial fibrillation was admitted to our hospital for an echocardiographic follow-up 6 months after a mitral valve replacement. Two-dimensional transthoracic and transesophageal echoc...

Harvey (1968) used the term "wreck.ing ball" to describe the movements of a calcified pedunculated right atrial myxoma, likening it to the swinging iron ball suspended from a crane used for demolishing buildings. In the patient he described the tricuspid valve had been almost completely destroyed by the movemen,ts of the tumour. Similar patients with incompetent tricuspid valves damaged by calc...

wild cage birds can be carriers of some human pathogens and some of these can be transmitted to people. campylobacter bacteria are the most common bacteria that cause gastroenteritis worldwide. considering people's interests to keep wild cage birds and the potential ability of wild cage birds to transmit campylobacter to humans, the present study was conducted to evaluate campylobacter inf...

Abstract The migration and distribution of lubricant oil in a rolling bearing strongly affect the elastohydrodynamic lubrication performance between balls rings. However, re-lubrication is highly dependent on design, which different from ball-on-disc model. This study directly observed film custom-made model-bearing rig, with an outer ring replaced by glass to allow full optical access. influen...

background: to asses the status of two representative genes of cag pai i.e caga and cage of helicobacter pylori strains infecting iranian patients suffered from various clinical outcomes using one-step pcr. methods: a total of 120 h. pylori infected patients including non-ulcer dyspepsia, nud (n=81), peptic ulcer disease, pud (n=17), and gastric carcinoma, gc (n= 22) referred for endoscopy or g...