• Thumbnail for Cardiac conduction system
    The cardiac conduction system (CCS, also called the electrical conduction system of the heart) transmits the signals generated by the sinoatrial node –...
    16 KB (1,840 words) - 02:31, 30 January 2024
  • Thumbnail for Cardiac pacemaker
    if the SA node is damaged or if the electrical conduction system of the heart has problems. Cardiac arrhythmias can cause heart block, in which the contractions...
    11 KB (1,469 words) - 21:35, 12 February 2024
  • Thumbnail for Bradycardia
    classified by the anatomic location of a dysfunction within the cardiac conduction system. Generally, these classifications involve the broad categories...
    37 KB (4,036 words) - 23:51, 19 April 2024
  • flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on...
    47 KB (5,784 words) - 11:54, 12 June 2023
  • Thumbnail for GCaMP
    throughout the cardiac cycle; from their results, they characterized four developmental stages of the zebrafish cardiac conduction system and identified...
    28 KB (3,065 words) - 01:46, 30 March 2024
  • Thumbnail for Arrhythmia
    dysfunction or atrioventricular conduction disturbances. Arrhythmias are due to problems with the electrical conduction system of the heart. A number of tests...
    43 KB (4,761 words) - 04:32, 29 April 2024
  • Thumbnail for Artificial cardiac pacemaker
    electrical conduction system of the heart. The primary purpose of a pacemaker is to maintain an even heart rate, either because the heart's natural cardiac pacemaker...
    80 KB (8,992 words) - 23:04, 17 April 2024
  • Thumbnail for Heart
    Heart (redirect from Cardiac)
    the four heart valves. The cardiac skeleton also provides an important boundary in the heart's electrical conduction system since collagen cannot conduct...
    143 KB (16,888 words) - 19:48, 24 April 2024
  • Thumbnail for Cardiac muscle
    cardiac tissue with the help of optogenetic techniques. Other potential roles for fibroblasts include electrical insulation of the cardiac conduction...
    42 KB (5,108 words) - 13:34, 28 April 2024
  • Thumbnail for Atrioventricular node
    Atrioventricular node (category Cardiac anatomy)
    Movement of ions across cell membranes causes these events. The cardiac conduction system (and AV node part of it) coordinates myocyte mechanical activity...
    11 KB (1,218 words) - 17:51, 24 April 2024
  • Progressive cardiac conduction defect (PCCD) is a hereditary cardiac condition marked by a progressive delay in impulse conduction via the His-Purkinje system, resulting...
    4 KB (248 words) - 04:26, 22 January 2024
  • Thumbnail for Bundle of His
    Bundle of His (category Cardiac anatomy)
    to the Purkinje fibers, which provide electrical conduction to the ventricles, causing the cardiac muscle of the ventricles to contract at a paced interval...
    7 KB (772 words) - 00:43, 21 December 2023
  • Thumbnail for Catheter ablation
    Originally, a DC impulse was used to create lesions in the intra-cardiac conduction system. However, due to a high incidence of complications, widespread...
    13 KB (1,588 words) - 04:35, 27 December 2023
  • Thumbnail for Purkinje fibers
    Purkinje fibers (category Cardiac anatomy)
    They conduct cardiac action potentials more quickly and efficiently than any of the other cells in the heart's electrical conduction system. Purkinje fibers...
    8 KB (839 words) - 02:21, 1 April 2024
  • Thumbnail for Cardiac cycle
    during each individual cardiac cycle, or heartbeat, are initiated and orchestrated by signals of the heart's electrical conduction system, which is the "wiring"...
    20 KB (1,882 words) - 12:31, 3 April 2024
  • Thumbnail for Ectopic beat
    Ectopic beat (redirect from Cardiac ectopy)
    Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers...
    4 KB (352 words) - 06:04, 31 October 2023
  • Thumbnail for Nerve conduction study
    nerve conduction study (NCS) is a medical diagnostic test commonly used to evaluate the function, especially the ability of electrical conduction, of the...
    14 KB (1,544 words) - 23:08, 27 April 2024
  • Thumbnail for Cardiac stress test
    A cardiac stress test is a cardiological examination that evaluates the cardiovascular system's response to external stress within a controlled clinical...
    33 KB (3,372 words) - 15:14, 19 March 2024
  • Thumbnail for Cardiac arrest
    electrocardiogram (EKG). Abnormalities of the cardiac conduction system (notably the Atrioventricular Node and His-Purkinje system) may predispose an individual to...
    124 KB (13,655 words) - 04:20, 29 April 2024
  • Thumbnail for Cardiac action potential
    Unlike the action potential in skeletal muscle cells, the cardiac action potential is not initiated by nervous activity. Instead, it arises from a group...
    46 KB (5,430 words) - 18:10, 24 April 2024
  • Thumbnail for Electrocardiography
    study of the conduction system of the heart is called cardiac electrophysiology (EP). An EP study is performed via a right-sided cardiac catheterization:...
    89 KB (9,808 words) - 16:45, 21 April 2024
  • makes any classification imprecise. The cardiac myocyte has two general types of action potentials: conduction system and working myocardium. The action potential...
    20 KB (1,993 words) - 04:31, 21 February 2024
  • Thumbnail for Cardiac electrophysiology
    Russian Hein Wellens (1935–2020), Dutch Clinical cardiac electrophysiology Electrical conduction system of the heart Electrocardiogram Electrophysiology...
    10 KB (946 words) - 02:21, 6 April 2024
  • Thumbnail for Atrium (heart)
    Atrium (heart) (category Cardiac anatomy)
    ventricles. The atrioventricular node (AV node) is another node in the cardiac conduction system. This is located between the atria and the ventricles. The left...
    23 KB (2,481 words) - 22:07, 8 April 2024
  • Thumbnail for Second-degree atrioventricular block
    Second-degree atrioventricular block (category Cardiac arrhythmia)
    atrioventricular block (AV block) is a disease of the electrical conduction system of the heart. It is a conduction block between the atria and ventricles. The presence...
    14 KB (1,510 words) - 01:24, 21 April 2024
  • Thumbnail for Bundle branches
    Bundle branches (category Cardiac anatomy)
    ventricle. They play an integral role in the electrical conduction system of the heart by transmitting cardiac action potentials from the bundle of His to the...
    4 KB (506 words) - 08:44, 11 December 2023
  • Thumbnail for Cardioversion
    Cardioversion (category Cardiac procedures)
    the heart at a specific moment in the cardiac cycle, restoring the activity of the electrical conduction system of the heart. (Defibrillation uses a therapeutic...
    20 KB (2,318 words) - 14:48, 20 December 2023
  • which are then generated and propagated in the heart through the cardiac conduction system (CCS). The impulses begin in the nodal tissue, travel to the sinus...
    66 KB (8,421 words) - 02:00, 30 January 2024
  • Thumbnail for Sinoatrial node
    Sinoatrial node (category Cardiac anatomy)
    produce an electrical impulse known as a cardiac action potential that travels through the electrical conduction system of the heart, causing it to contract...
    24 KB (2,806 words) - 17:50, 24 April 2024
  • cardiac skeleton isolates electrical influence within these defined chambers. In normal anatomy, there is only one conduit for electrical conduction from...
    13 KB (1,529 words) - 11:45, 1 April 2023