Results 81 to 90 of about 305,661 (329)

Pacemapping [PDF]

open access: yes, 2005
Pacemapping (PM) is an electrophysiologic technique designed to help locating tachycardia sources by stimulating at different endocardial sites in order to reproduce the clinical tachycardia characteristics.
Moreno, Mauricio   +2 more
core  

Computational Modeling Meets 3D Bioprinting: Emerging Synergies in Cardiovascular Disease Modeling

open access: yesAdvanced Healthcare Materials, EarlyView.
Emerging advances in three‐dimensional bioprinting and computational modeling are reshaping cardiovascular (CV) research by enabling more realistic, patient‐specific tissue platforms. This review surveys cutting‐edge approaches that merge biomimetic CV constructs with computational simulations to overcome the limitations of traditional models, improve ...
Tanmay Mukherjee   +7 more
wiley   +1 more source

Very high power short duration as re-ablation strategy for recurrent atrial fibrillation

open access: yesBMC Cardiovascular Disorders
Background After initially successful pulmonary vein isolation (PVI), some patients experience recurrence of AF requiring repeat catheter ablation. Radiofrequency ablation (RFA) is then mostly performed with low power long duration settings (LPLD), while
Jana Ackmann   +10 more
doaj   +1 more source

Influence of Atrioventricular Nodal Reentrant Tachycardia Ablation on Right to Left Inter-atrial Conduction [PDF]

open access: yes, 2005
Background: Radiofrequency (RF) catheter ablation is the procedure of choice for the potential cure of atrioventricular nodal reentrant tachycardia (AVNRT) with high success rates.
Eksik, Abdurrahman   +3 more
core  

A comparison of neuronal population dynamics measured with calcium imaging and electrophysiology

open access: yesbioRxiv, 2019
Calcium imaging with fluorescent protein sensors is widely used to record activity in neuronal populations. The transform between neural activity and calcium-related fluorescence involves nonlinearities and a low-pass filter, but the effects of the ...
Ziqiang Wei   +5 more
semanticscholar   +1 more source

Understanding the Effects of Conductive Polymer Electrode Coating on Recorded Neural Signals

open access: yesAdvanced Healthcare Materials, EarlyView.
Conductive polymer coatings are widely explored to improve the quality of signals recorded with chronically implanted neural electrodes, offering enhanced biocompatibility along with reduced electrode impedance. Combining computational modelling and data from PEDOT:PTS coated and PtIr electrodes in rats, we show that improvements in signal quality with
Karthik Sridhar   +4 more
wiley   +1 more source

Role of pharmacotherapy in Brugada syndrome [PDF]

open access: yes, 2004
In patients who undergo aborted sudden cardiac death or syncope of unknown origin (symptomatic Brugada syndrome), no one argues that the implantation of an ICD is the first-line therapy regardless of the findings of the EP study.
Tsuchiya, Takeshi
core   +1 more source

Phenotype-Based Screening of Synthetic Cannabinoids in a Dravet Syndrome Zebrafish Model. [PDF]

open access: yes, 2020
Dravet syndrome is a catastrophic epilepsy of childhood, characterized by cognitive impairment, severe seizures, and increased risk for sudden unexplained death in epilepsy (SUDEP).
Anvar, Mana   +3 more
core   +1 more source

Simultaneous Electrophysiology and Fiber Photometry in Freely Behaving Mice

open access: yesFrontiers in Neuroscience, 2020
In vivo electrophysiology is the gold standard technique used to investigate sub-second neural dynamics in freely behaving animals. However, monitoring cell-type-specific population activity is not a trivial task.
Amisha A. Patel   +3 more
semanticscholar   +1 more source

Dynamic Modulation of the Microenvironment Promotes Functional Maturation of Engineered Tissues

open access: yesAdvanced Healthcare Materials, EarlyView.
Engineered tissues lack the dynamic microenvironment of native tissues. A biocompatible, diffusible small molecule to dynamically modulate tissue microenvironments during maturation is used. Timing‐dependent modulation yields distinct outcomes, producing thicker, more native‐like blood vessels, stronger and more mature cardiac tissues, and optimized ...
Eric Silberman   +7 more
wiley   +1 more source

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