نتایج جستجو برای: ventricular septum
تعداد نتایج: 163835 فیلتر نتایج به سال:
we report a 73-year-old woman with primary left atrial rhabdomyosarcoma and its 1h mr spectroscopy (mrs) findings. the tumor showed a 2.8 cm sized lesion in the posteroinferior atrial wall on mri. 1h mr spectra were acquired using a point-resolved spectroscopy (press) sequence with electrocardiographic (ecg) gating and respiratory motion. the use of 1h-mrs allowed the quantification of triglyce...
BackgroundIncreased metabolic rate of hyperglycemia in gestational diabetes causes macrosomia, which can also affect the fetal heart. The thickness of the walls of the heart and its function in women with gestational diabetes mellitus (GDM) can change over time before treatment. We aimed to evaluate fetal cardiac structure in terms of ventricular wall thickness and its function in women w...
a 47-year-old man presented as a dyspnea and fatigue. a transthoracic echocardi-ography (tte) performed to assess valvar heart disease and left ventricular (lv) function showed a large hydatid cysts in the inter ventricular septum bulging to posterior of heart and compressing its overlying muscle as whitish round mass. the patient underwent elective surgery by evacuation of septal hydatid cysts...
Myocardial fiber diameters were measured to determine their distribution throughout the ventricular wall in normal adult hearts, hypertensive hearts and hearts with hypertrophic cardiomyopathy (HCM). In normal adult hearts and hypertensive hearts, the diameter decreased from the inner to the outer third of the left ventricular free wall and from the left ventricular side to the right ventricula...
Double Outlet Right Ventricle with intact ventricular septum is an extremely rare malformation. Only nine cases are recorded in the known world literature. A new case is reported, concerning a female infant six months old when first seen, and still alive after atrial septectomy. The anatomical studies in Double Outlet Right Ventricle suggest that only the Ventricular Septal Defect in the outlet...
Previous studies from our laboratory have shown that the position of the ventricular septum relative to the two ventricles at end-diastole is determined by the instantaneous transseptal pressure gradient (TSG) defined as left ventricular minus simultaneous right ventricular pressure. Since patients with mitral stenosis often have exaggerated leftward (paradoxic) motion of the ventricular septum...
OBJECTIVE To determine whether regional hypoperfusion of the interventricular septum occurs during ventilation with positive end-expiratory pressure. DESIGN Animal study. ANIMALS Anesthetized, closed chest dogs (n = 8). INTERVENTIONS Induction of experimental adult respiratory distress syndrome (ARDS) and then ventilation with 10, 15, and 20 cm H2O of positive end-expiratory pressure. M...
We examined the function of the interventricular septum in six open-chest dogs by inserting piezoelectric crystals into the interventricular septum. Continuous ultrasonic recordings showed that the changes in myocardial chord length (MCL) in the septum and free walls of the right and left ventricle were similar during saline infusion and during pericardiotomy. End-diastolic MCL and myocardial s...
OBJECTIVE To determine preoperatively, by analysing asynchronous left ventricular wall motion, whether to approach through the right ventricle or the left ventricle when carrying out catheter ablation of the accessory pathway in Wolff-Parkinson-White syndrome, especially in patients with the pathway located on the septum. METHODS 73 patients with manifest Wolff-Parkinson-White syndrome who un...
Objective—To determine preoperatively, by analysing asynchronous left ventricular wall motion, whether to approach through the right ventricle or the left ventricle when carrying out catheter ablation of the accessory pathway in WolVParkinson-White syndrome, especially in patients with the pathway located on the septum. Methods—73 patients with manifest WolV-Parkinson-White syndrome who underwe...
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