نتایج جستجو برای: massive hematemesis
تعداد نتایج: 82838 فیلتر نتایج به سال:
Sixteen cases of nontraumatic left atrial-esophageal fistulas have been reported previously. These fistulas usually result from chronic peptic esophagitis or cancer. The diagnosis is suggested by the triad of chronic dysphagia, hematemesis, and acute neurologic signs. There may be cardiac manifestations such as pericarditis, atrial fibrillation, or shock. An unusual feature of these fistulas is...
We report a case of 59-year-old Turkish man with history of mitral valve replacement (MVR) and chronic obstructive pulmonary disease (COPD) who was diagnosed with stage IIIA IgG lambda multiple myeloma (MM) in 1997. He underwent autologous hematopoietic stem cell transplantation after a conditioning regimen with melphalan 200mg per body area (m(2)) in February 2006. On February 2011, he was adm...
Introduction: The upper gastro-intestinal bleed is one of the most common indication for endoscopy. There are various reasons same and include gastric or duodenal ulcer, erosive gastritis duodenitis, esophagitis, mallory weiss tear, malignancy etc. Many prisoner feign to be having hematemesis but their history clinical presentation does not match with it.
Dieulafoy lesion is a vascular anomaly predominantly found in the stomach, which represents a rare cause of gastrointestinal bleeding and life-threatening haemorrhages in pediatric age with few cases reported in the literature. We experienced a 7-year-old previously healthy boy with hematemesis endoscopically diagnosed and successfully treated for a Dieulafoy lesion in the stomach. This case re...
Mucinous cystic neoplasms (MCN) are an uncommon form of exocrine neoplasms of the pancreas. Symptoms are most often vague and this makes the diagnosis more difficult. The current case is one of three cases yet reported where the MCN caused left-sided portal hypertension leading to the formation of isolated gastric varices and subsequent bleeding from the varices. In the previously reported case...
یکی از چالش های موجود در سیستم هایmassive mimo ، تداخل بین سمبلی (isi) در کانال های فرکانس گزین می باشد. یک روش برای حذف این تداخل روش تفکیک چندمسیرگی فضایی (smr) است که با استفاده از درجه آزادی های فضایی اضافی با تداخل مقابله می کند. یکی از محدودیت هایی که در به کارگیری این روش وجود دارد این است که تعداد آنتن های گیرنده باید از ضرب تعداد آنتن های فرستنده در تعداد مسیرهای کانال بیشتر باشد. بنا...
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