Results 11 to 20 of about 254,608 (266)

Variable extent of parallelism in respiratory, circulatory, and neurological traits across lake whitefish species pairs

open access: yesEcology and Evolution, 2013
Parallel adaptive radiation events provide a powerful framework for investigations of ecology's contribution to phenotypic diversification. Ecologically driven divergence has been invoked to explain the repeated evolution of sympatric dwarf and normal ...
Melissa L. Evans   +3 more
doaj   +1 more source

An algorithm for partitioning of right heart ventricle medial axis

open access: yesMathematical Modelling and Analysis, 2010
A right heart ventricle has a complex and irregular shape, this obscures analysis of ventricle surface movements. We are trying to quantitative evaluate morphological changes of right ventricle surface, these changes appear during heart beat cycle ...
Mantas Paulinas, Mečislavas Meilūnas
doaj   +1 more source

The right ventricle in congenital heart disease [PDF]

open access: yesHeart, 2006
In patients with congenital heart disease the right ventricle (RV) may support the pulmonary (subpulmonary RV) or the systemic circulation (systemic RV). During the last 50 years evidence is accumulating that RV dysfunction develops in many of these patients and leads to considerable morbidity and mortality.
P A, Davlouros   +3 more
openaire   +2 more sources

Simulation of left ventricular function during dyskinetic or akinetic aneurysm

open access: yesBiomolecules & Biomedicine, 2012
The purpose of our study was to simulate the hemodynamics of left ventricular function after left ventricular aneurysm (LVA) of various sizes and to validate the results of this computer based simulation with patient data.
Matjaž Sever   +2 more
doaj   +1 more source

Anatomicosurgical segmentectomy of the left ventricle for systematized partial resection of the heart: an experimental study

open access: yesBrazilian Journal of Cardiovascular Surgery, 1998
A surgical experimental investigation is being carried out in an attempt to provide a viable alternative to the current approaches to cardiac resection of the left ventricular myocardium in cases of cardiomyopathies with dilated ventricle.
Liberato John Alphonse DI DIO   +7 more
doaj   +1 more source

Successful pregnancy in a patient with univentricular heart and pulmonary stenosis

open access: yesHeart Views, 2012
Univentricular heart or single ventricle heart is a rare and complex congenital heart disease (CHD). We report the successful management of a parturient with a single ventricle, and pulmonary stenosis.
Angadi Rajasab Nilofer, Syed Ahmed Zaki
doaj   +1 more source

Features of speckle tracking echocardiography for diagnosis of myocardial dysfunction [PDF]

open access: yesКардиоСоматика, 2021
Despite the undoubted success in the diagnosis of heart failure using echocardiography, the issue of detecting diastolic dysfunction of the left ventricle of the heart in the early stages remains insufficiently studied.
Olesia V. Gritsenko   +2 more
doaj   +1 more source

Preoperative single ventricle function determines early outcome after second-stage palliation of single ventricle heart

open access: yesCardiovascular Ultrasound, 2017
Background Second-stage palliation with hemi-Fontan or bidirectional Glenn procedures has improved the outcomes of patients treated for single-ventricle heart disease.
Jacek Pająk   +7 more
doaj   +1 more source

In the light of current knowledge right ventricle

open access: yesTürk Kardiyoloji Derneği Arşivi, 2014
There are important differences between left and right ventricle. Due to anatomical location and structural features, in daily clinical practice the right ventricle cannot be assessed easily as the left ventricle.
Gülten Taçoy, Atiye Çengel
doaj   +1 more source

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