نتایج جستجو برای: slow flow phenomenon
تعداد نتایج: 728136 فیلتر نتایج به سال:
one of the problems that sometimes occur in gas allocation optimization is instability phenomenon. this phenomenon reduces the oil production and damages downhole and surface facilities. different works have studied the stability and suggested some solutions to override it, but most of them (such as making the well intelligent) are very expensive and thus they are not applicable to many cases. ...
Introduction: Intranodal pathways of atrioventricular (AV) node play a vital role in the delay of conduction time in response to various atrial inputs. The present study was aimed to determine the frequency-dependent electrophysiological properties of concealed slow pathway according to a functional model of isolated rabbit atrioventricular node preparation after fast pathway ablation. Meth...
The coronary slow flow phenomenon is an angiographic finding characterized by delayed distal vessel opacification in the absence of significant epicardial coronary disease. Extensively studied both in the experimental and clinical setting, it was clearly associated with unfavourable clinical outcome and prognosis. Several hypotheses, including embolization of platelet-rich thrombi or atheroscle...
Background Various pathophysiological mechanisms such as microvascular and endothelial dysfunction, small vessel disease, diffuse atherosclerosis, and inflammation have been held responsible in the etiology of coronary slow flow. It is also thought to be a reflection of a systemic slow-flow phenomenon in the coronary arterial tree. Case Report A 44-year-old man presented with chest pain causing...
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