• Thumbnail for Ventricular action potential
    the ventricular cardiomyocyte membrane potential is about −90 mV at rest, which is close to the potassium reversal potential. When an action potential is...
    3 KB (400 words) - 00:07, 28 November 2023
  • Thumbnail for Cardiac action potential
    allow the action potential to pass from one cell to the next. This means that all atrial cells can contract together, and then all ventricular cells. Rate...
    46 KB (5,537 words) - 03:07, 10 October 2023
  • electrocardiography, the atrial action potential are action potentials that occur in the heart atrium. They are similar to ventricular action potential with the exception...
    991 bytes (119 words) - 05:52, 22 August 2022
  • Thumbnail for Action potential
    An action potential occurs when the membrane potential of a specific cell rapidly rises and falls. This depolarization then causes adjacent locations...
    149 KB (16,362 words) - 20:58, 15 March 2024
  • Thumbnail for Cardiac cycle
    arteries off the left ventricle during the left ventricular systole). Apex beat Cardiac action potential Cardiac output Pulse Pollock JD, Makaryus AN (3...
    20 KB (1,882 words) - 16:56, 28 March 2024
  • Thumbnail for Ventricular fibrillation
    Ventricular fibrillation (V-fib or VF) is an abnormal heart rhythm in which the ventricles of the heart quiver. It is due to disorganized electrical activity...
    31 KB (3,536 words) - 13:18, 16 March 2024
  • Thumbnail for Ranolazine
    electrocardiogram is the result of inhibition of IKr, which prolongs the ventricular action potential. Ranolazine also exhibits its effects on the delayed rectifier...
    16 KB (1,462 words) - 15:38, 11 March 2024
  • Thumbnail for Long QT syndrome
    affect one or more ion currents leading to prolongation of the ventricular action potential, thus lengthening the QT interval. Classification systems have...
    64 KB (6,615 words) - 00:18, 17 March 2024
  • potassium channels results in slowed atrial-ventricular myocyte repolarization. Class III agents have the potential to prolong the QT interval of the EKG,...
    20 KB (1,993 words) - 04:31, 21 February 2024
  • Thumbnail for Cardiac conduction system
    contraction of ventricular cells. The ventricles must maximize systolic pressure to force blood through the circulation, so all the ventricular cells must...
    16 KB (1,840 words) - 02:31, 30 January 2024