Results 11 to 20 of about 89,200 (256)

High resolution 3-Dimensional imaging of the human cardiac conduction system from microanatomy to mathematical modeling [PDF]

open access: yesScientific Reports, 2017
Cardiac arrhythmias and conduction disturbances are accompanied by structural remodelling of the specialised cardiomyocytes known collectively as the cardiac conduction system.
Robert S. Stephenson   +11 more
doaj   +2 more sources

Regulation of Cardiac Conduction and Arrhythmias by Ankyrin/Spectrin-Based Macromolecular Complexes

open access: yesJournal of Cardiovascular Development and Disease, 2021
The cardiac conduction system is an extended network of excitable tissue tasked with generation and propagation of electrical impulses to signal coordinated contraction of the heart.
Drew Nassal   +6 more
doaj   +1 more source

Case report: Challenges and implications of conduction system pacing in pediatrics: Case series

open access: yesFrontiers in Pediatrics, 2023
Cardiac electrical stimulation in children usually is needed in the setting of complete congenital atrioventricular block, atrioventricular block after heart surgery, and bradycardia associated with some specific channelopathies.
Ruy Gonzalo Ploneda Valencia   +6 more
doaj   +1 more source

Real-time optical manipulation of cardiac conduction in intact hearts [PDF]

open access: yes, 2018
Optogenetics has provided new insights in cardiovascular research, leading to new methods for cardiac pacing, resynchronization therapy and cardioversion.
Bocchi, L.   +16 more
core   +2 more sources

Connexin diversity in the heart: insights from transgenic mouse models

open access: yesFrontiers in Pharmacology, 2013
Cardiac conduction is mediated by gap junction channels that are formed by connexin (Cx) protein subunits. The connexin family of proteins consists of 24 members, varying in their biophysical properties and ability to combine with other connexins into ...
Sander eVerheule, Sven eKaese
doaj   +1 more source

Advances and Prospects in Understanding Vertebrate Cardiac Conduction System, Pacemaker Cell, and Cardiac Muscle Development: Toward Novel Biological Therapies

open access: yesMuscles, 2023
The heart is composed of muscle cells called cardiomyocytes, including a specialized population named pacemaker cells that form the cardiac conduction system (CCS), which is responsible for generating the action potential dictating heart contractions ...
Ridwan Opeyemi Bello   +3 more
doaj   +1 more source

Electrical activation of the ventricular myocardium of the crocodile Crocodylus johnstoni: A combined microscopic and electrophysiological study [PDF]

open access: yes, 1999
We mapped the sequence of ventricular depolarization in the crocodile Crocodylus johnstoni. We also attempted to find specialized conduction tissue within the ventricular myocardium.
Burggren   +18 more
core   +2 more sources

Genetic and physiologic dissection of the vertebrate cardiac conduction system. [PDF]

open access: yesPLoS Biology, 2008
Vertebrate hearts depend on highly specialized cardiomyocytes that form the cardiac conduction system (CCS) to coordinate chamber contraction and drive blood efficiently and unidirectionally throughout the organism.
Neil C Chi   +12 more
doaj   +1 more source

Emerging from the Darkness. Sudden Cardiac Death in Cardiac Amyloidosis

open access: yesReviews in Cardiovascular Medicine, 2022
Cardiac amyloidosis (CA) manifests as infiltrative cardiomyopathy with a hypertrophic pattern, usually presenting with heart failure with a preserved ejection fraction. In addition, degenerative valvular heart disease, particularly severe aortic stenosis,
Valeria Cammalleri   +11 more
doaj   +1 more source

Two dimensional electrophysiological characterization of human pluripotent stem cell-derived cardiomyocyte system. [PDF]

open access: yes, 2017
Stem cell-derived cardiomyocytes provide a promising tool for human developmental biology, regenerative therapies, disease modeling, and drug discovery.
Gimzewski, James K   +7 more
core   +2 more sources

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