منابع مشابه
Concealed conduction.
THE CONCEPT of concealed conduction was introduced into electrocardiography to explain a lengthening of, or change in, the refractory period of the atrioventricular conduction system caused either by atrial activity that fails to propagate to the ventricles or by ventricular activity that fails to reach the atria. Standard electrocardiograms do not provide a direct demonstration of the partial ...
متن کاملConcealed Conduction
Concealed conduction is a phenomenon which could be rarely seen on the surface of electrocardiography (ECG). The surface ECG must be evaluated carefully for determination of concealed conduction. Because concealed conduction manifests itself in different shape and level. This evaluation could prevent misdiagnosis and unappropriate treatment. In this chapter we want to contribute to understandin...
متن کاملSpontaneous internal hemorrhage of a giant hepatic hemangioma
RATIONALE Hepatic hemangioma, a benign liver tumor, can rarely spontaneously rupture and hemorrhage, which is then associated with significant mortality. The diagnosis of internal hemorrhage is challenging and the management is disputed. PATIENT CONCERNS We describe the case of a 52-year-old female patient with chief complaints of fever and anemia, with no history of recent trauma. DIAGNOSE...
متن کاملInternal iliac artery ligation for severe postpartum hemorrhage.
OBJECTIVE To evaluate the outcomes of bilateral internal iliac artery ligation (IIAL) in severe postpartum hemorrhage (PPH). DESIGN Multi-center retrospective study. METHODS The study was performed from January 2005 to December 2010, at the Obstetrics and Gynecology Clinic, Dicle University Medical Faculty and Maternity Hospital, Diyarbakir, Turkey. Life-threatening cases of severe postpart...
متن کامل[Sub-internal limiting membrane hemorrhage in Valsalva retinopathy: case report].
To report a case of a patient with Valsalva retinopathy that developed sub-internal limiting membrane hemorrhage, underwent pars plana vitrectomy and had visual acuity improvement after that. A 35-year-old healthy patient presented with sudden and painless vision loss of her right eye, after coughing. During the ophthalmologic evaluation, she had a pre-macular hemorrhage and no other abnormalit...
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ژورنال
عنوان ژورنال: The Boston Medical and Surgical Journal
سال: 1909
ISSN: 0096-6762,1533-4406
DOI: 10.1056/nejm190902041600501