Pittsburgh, PA - Scientists have developed new voltage-sensitive dyes that allow them to view and record cardiac action potentials from layers deep within the heart [1]. These new dyes will allow ...

4 O'Hara T, Virág L, Varró A, Rudy Y., Simulation of the undiseased human cardiac ventricular action potential: model formulation and experimental validation, PLoS Comput Biol., 2011;7:e1002061 ?

During initiation of the cardiac action potential, however, when the negative internal charge of the cell becomes positive so that the cell becomes "depolarized," the researchers found that both ...

A New State of Cardiac Myosin with Very Slow ATP Turnover: A Potential Cardioprotective Mechanism in the Heart. Biophysical Journal , Volume 100, Issue 8, 1969-1976, 20 April 2011 DOI: 10.1016/j ...

When these channels are blocked, the action potential of cardiac cells becomes shorter. The phrase “action potential” describes a change in the charge of a membrane associated with the ...

New imaging algorithm developed recently can diagnose and localize source of atrial fibrillation (a type of rhythm disturbance in the heart) without the need for doing any invasive heart procedures.