ACTION POTENTIAL HEART

Oct 26, 11
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  • Cardiac action potential - Description: In electrocardiography, the cardiac action potential is a specialized action potential in the heart, necessary for the .
  • by SM Narayan - 2008 - Cited by 20 - Related articles
  • Mar 31, 2011 – Leslie explains how action potentials are generated by the cardiac cells of the heart and how the release of calcium can generate heart .
  • The Cardiac Action Potential. Before reading this section, make sure you check out Understanding the Action Potential. It covers the basics of this next section .
  • by MP Nash - 2006 - Cited by 66 - Related articles
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  • As described in the Marieb Interactive Physiology CD on the cardiovascular system, in the chapter on the "cardiac action potential," there are regular cardiac .
  • Let's see how you are doing on cardiac action potentials. The first thing to note is that cardiac action potentials are much, much longer than neuronal action .
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  • cardiac versus nerve and muscle action potentials. . There are two general types of cardiac action potentials. Non-pacemaker action potentials, also called " fast .
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  • the transmembrane potential in the heart, consisting of five phases: 0, the upstroke or rapid depolarization, which initiates the heartbeat in response to an influx .
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  • Jan 15, 2008 – The L-type Ca current (ICa,L), essential for normal cardiac function, also regulates dynamic action potential (AP) properties that promote .
  • Animation: Conducting System of the Heart . Action potentials originate in the sinoatrial (SA) node and travel across the wall of the atrium from the sinoatrial .
  • 2 posts - 2 authors - Last post: Apr 11How is heart rate determined by action potentials? Biology discussion.
  • by G Salama - 2000 - Cited by 9 - Related articles
  • Because the SA node controls heart rate, it is called the pacemaker of the heart. The autorhythmic cells of the SA node intiate action potentials at a constant rate .
  • Electrical Activity of the Heart When vertebrate muscles are excited, an electrical signal (called an "action potential") is produced and spreads to the rest of the .
  • 047 Action Potentials and Contraction in Cardiac Muscle Cells . Mar 31, 2011 - 8 min - Uploaded by InteractiveBiology
  • Cardiac Action Potential (Pulse propagation: part 1/6) - YouTube Dec 19, 2007 - 5 min - Uploaded by hyperhighs
  • Cardiac muscle is also striated in appearance, but it differs significantly from other . . A model of the opening of the Ca channel by the action potential is the T .
  • by T O'Hara - 2011 - Related articles
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  • by HT Shih - 1994 - Cited by 9 - Related articles
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  • Cardiac Action Potential (Cardiomyocyte AP: part 4/6) - YouTube Dec 19, 2007 - 7 min - Uploaded by hyperhighs
  • by RC Ahrens-Nicklas - 2009 - Cited by 1 - Related articles
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  • ChanTest has the world's most complete library of validated human ion channel- expressing cell lines to serve all the ion channel needs of its pharmaceutical .
  • These drugs bind to and block the fast sodium channels that are responsible for the rapid depolarization (phase 0) of fast-response cardiac action potentials. .
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  • The buttons on the left will direct you to the action potential, conduction of action potential, anatomy and physiology of the heart, the conduction system, sinus .
  • Jul 26, 2007 – Topic Outline. CARDIAC EXCITABILITY; Cardiac ion channels and currents; The resting potential; Action potential in fast response tissues .
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  • by CH Luo - 1991 - Cited by 856 - Related articles
  • Neural regulation of the heart function, 2. The action potential, 3. The role of calcium, 4. Spontaneous depolarisation, 5. Development of electrocardiography .
  • The normal, or natural, pacemaker of the heart is the sinoartial node, it passes the action potential to the ventricular node, which slows it down long .
  • Publication » Whole heart action potential duration restitution properties in cardiac patients: a combined clinical and modelling study.
  • Atrial myocytes, ventricular myocytes and Purkinje cells are examples of non- pacemaker action potentials in the heart. Because these action potentials undergo .
  • Jump to Generation of action potentials‎: There are three main stages in the generation of an action potential in a .
  • Cardiac action potential - YouTube Mar 24, 2010 - 37 sec - Uploaded by cardionetworks
  • Phases of the Cardiac Action Potential. The cardiac action potential differs from skeletal muscle action potentials in three ways: some cardiac muscle cells are .
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  • In electrocardiography, the cardiac action potential is a specialized action potential in the heart, necessary for the electrical conduction system of the heart. .
  • by WA Seed - 1987 - Cited by 63 - Related articles
  • desmosomes (which act like rivets & hold the cells tightly together) and; gap junctions (which permit action potentials to easily spread from one cardiac muscle .

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