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Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats05:12

Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats

The present work describes an experimental protocol of transesophageal atrial burst pacing for efficient induction of atrial fibrillation (AF) in rats. The protocol can be used in rats with healthy or remodeled hearts, allowing the study of AF pathophysiology, identification of novel therapeutic targets, and evaluation of new therapeutic...
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Directly Measuring Forces Within Reconstituted Active Microtubule Bundles07:47

Directly Measuring Forces Within Reconstituted Active Microtubule Bundles

Here, we present a protocol for reconstituting microtubule bundles in vitro and directly quantifying the forces exerted within them using simultaneous optical trapping and total internal reflection fluorescence microscopy. This assay allows for nanoscale-level measurement of the forces and displacements generated by protein ensembles within active microtubule...
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Probing Myosin Ensemble Mechanics in Actin Filament Bundles Using Optical Tweezers06:53

Probing Myosin Ensemble Mechanics in Actin Filament Bundles Using Optical Tweezers

Formation of actomyosin bundles in vitro and measuring myosin ensemble force generation using optical tweezers is presented and...
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Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation07:28

Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation

This protocol describes a new method for effectively reconstructing donor atrial cuff anterior wall defects during lung transplantation through the rotation of the donor posterior atrial flap.
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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine10:08

Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine

Here, we present a protocol to produce tachycardia-induced cardiomyopathy in swine. This model represents a potent way to study the hemodynamics of progressive chronic heart failure and the effects of applied...
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Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation08:56

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation

We describe a sterile pericarditis model in minipigs to study atrial myopathy and atrial fibrillation (AF). We present surgical and anesthetic techniques, strategies for vascular access, and a protocol to study the inducibility of...
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