Results 1 to 10 of about 2,391,948 (289)
Univentricular heart with common atria. First historical cases
International Journal of Cardiology Congenital Heart Disease, 2021 We report the first well described case of single ventricle and common atria in 1887 in Nantes.
Emmanuel Drouin +2 more
exaly +4 more sources
Electrolyte Content of Rat Heart Atria and Ventricles [PDF]
Circulation Research, 1960 Extracellular tissue spaces are compared using inulin, sucrose, chloride and sodium in hearts perfused with Ringer-Locke solution by Langendorff's method. Also chloride and sodium spaces are given for unperfused, fresh hearts. From the inulin spaces the intracellular chloride, sodium, potassium and water concentrations in both perfused and unperfused ...
J. Barclay, E. Hamley, H. Houghton
semanticscholar +3 more sources
Heart atria granularity effects of changes in water-electrolyte balance.
Experimental Biology and Medicine, 1979 SummaryAtrial granularity was measured using a new morphometric method in rats subjected to procedures known to alter water-electrolyte balance. It was found that water deprivation and sodium deficiency lead to atrial hypergranulation, whereas, the combined administration of desoxycorticosterone (2.5 mg/100 g body wt/day) and 2% NaCl in the drinking ...
A. J. Bold
semanticscholar +4 more sources
Trandolapril Attenuates Pro-Arrhythmic Downregulation of Cx43 and Cx40 in Atria of Volume Overloaded Hypertensive and Normotensive Rats. [PDF]
BiomoleculesPressure overload in non-treated or resistant hypertension (HTN) increases the risk of heart failure (HF) as well as the occurrence of fatal ventricular arrhythmias and stroke-provoking atrial fibrillation (AF), while perturbed connexin-43 (Cx43) and ...
Sýkora M +4 more
europepmc +2 more sources
Electrical Remodeling of the Atria in Congestive Heart Failure: Electrophysiological and Electroanatomic Mapping in Humans [PDF]
Circulation, 2003 Background— Atrial fibrillation (AF) frequently complicates congestive heart failure (CHF). However, the electrophysiological substrate for AF in humans with CHF remains unknown. We evaluated the electrophysiological and electroanatomic characteristics of the atria in patients with CHF.
P. Sanders +6 more
semanticscholar +4 more sources
Observations on the Atria of the Human Heart by Direct and Semidirect Electrocardiography [PDF]
Circulation, 1952 By evaluation of direct electrocardiographic leads from the right atrium and semidirect esophageal leads from the left atrium, "atriodiagrams" have been constructed for both atria. The spread of activation in the atria has been studied under normal conditions as well as in cases of mitral heart disease, cor pulmonale, etc.
R Wenger
exaly +3 more sources
The influence of epidural anesthesia on the electrical activity of heart atria. [PDF]
Kardiochir Torakochirurgia Pol, 2014 High thoracic epidural anesthesia (TEA) causes blockade of sympathetic fibers involved in innervation of the heart (segments T1-T4), which results in changes of cardiac electrophysiology. The anti-arrhythmic effects of TEA on supraventricular arrhythmias, mainly atrial fibrillation, are controversial.The aim of the study was to assess the influence of ...
Twardowski P +6 more
europepmc +3 more sources
Twin heart with a fused atria and separate ventricles in conjoined twins
Annals of Pediatric Cardiology, 2010 One of the most interesting congenital malformations is that of conjoined twins. We report echocardiographic features of twin heart in dicephalus, tribrachius, dispinous, thoracoomphalopagus twin. It showed two hearts fused at atrial level.
Ambar Sameer +3 more
doaj +3 more sources
Frontiers in Physiology, 2021 In search of more efficacious and safe pharmacological treatments for atrial fibrillation (AF), atria-selective antiarrhythmic agents have been promoted that target ion channels principally expressed in the atria.
Elisa Darkow +20 more
doaj +1 more source