Embryo Circulation
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA Whoever says that the heart as a pump drives the circulation, does not consider that this so-called pump itself…
Patterns in the Early Embryo Circulation
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA Vortices are the sinews and muscles of fluid motions. Dietrich Küchemann (1965) KeywordsIntracardiac flowsChick embryoZebrafish embryoLaminar flowVortex flowHeart vortexVentricular…
of the Early Embryo Circulation
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA KeywordsEarly embryo hemodynamics in chickZebrafishMouseHuman, vitelline artery pressureVentricular pressureCardiac outputTissue metabolic demandsPeripheral heartsPlacental circulationAcardiac twinTRAP (twin-reversed arterial perfusion) Development…
Aspect of the Rhythmical System
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA KeywordsBiogenetic lawCongenital heart abnormalitiesGenetic screensHeart fieldHistomeresFunctional systemsFunctional threefoldnessNerve-sense systemRhythmic systemMetabolic systemThreefold cardiovascular system The idea that the development of…
Ventricle Physiology
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA In whatsoever creature there is lungs, there is likewise in them two ventricles, the right and the left. William…
Heart as a Generator of Pressure
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA KeywordsRhythmic generation of pressureConstriction of conotruncusVitelline artery ligationSpongy myocardiumEmbryo arterial pressure We have seen that while traversing the heart…
Effects of Aortic Occlusion
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA KeywordsAortic occlusionCardiac output during aortic occlusionThe role of venous reservoir and of peripheral circulationHemodynamics of aortic occlusionCardiac effects of…
Integrative Model of Circulation: A Synthesis
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA The great tragedy of science—the slaying of a beautiful hypothesis by an ugly fact. Thomas Huxley (1870) It is…
Embryo Heart is Not a Peristaltic Pump
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA KeywordsPeristaltic pumpValveless embryo heartCardiac jellyLiebau pump principleDynamic suction pumpContraction waveBlood flow reversalEjection fraction Rhythmical contractions of the embryonic heart…
Perturbation Experiments
(1) Professor of Anesthesiology, Albany Medical College, Albany, NY, USA KeywordsEmbryo heartFlow perturbationMicrospheresVitelline vein ligationCardiac morphogenesisPeripheral circulation On account of relative ease of accessibility, the early embryo circulation is…
