The cardiac conduction system (CCS, also called the electrical conduction system of the heart) transmits the signals generated by the sinoatrial node –...
16 KB (1,843 words) - 08:04, 8 October 2024
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 (1,397 words) - 08:16, 9 November 2024
Bradycardia (redirect from Cardiac arrhythmia/bradycardia)
classified by the anatomic location of a dysfunction within the cardiac conduction system. Generally, these classifications involve the broad categories...
41 KB (4,548 words) - 04:08, 6 November 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 (5,787 words) - 15:46, 21 August 2024
Arrhythmia (redirect from Conduction abnormalities)
dysfunction or atrioventricular conduction disturbances. Arrhythmias are due to problems with the electrical conduction system of the heart. A number of tests...
43 KB (4,754 words) - 13:09, 12 November 2024
GCaMP (section Cardiac conduction)
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
Purkinje fibers (redirect from Cardiac Purkinje cell)
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) - 01:01, 1 November 2024
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) - 22:56, 1 October 2024
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
cardiac tissue with the help of optogenetic techniques. Other potential roles for fibroblasts include electrical insulation of the cardiac conduction...
42 KB (5,130 words) - 05:03, 14 August 2024
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...
81 KB (9,083 words) - 23:35, 15 November 2024
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) - 06:22, 20 August 2024
Lev's disease (category Cardiac arrhythmia)
patients, this impairment of heart's electrical conduction system is due to fibrosis and calcification of conduction cells. This disease is considered to be age...
25 KB (2,738 words) - 01:40, 20 September 2024
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
Antiarrhythmic agent (redirect from Cardiac dysrhythmia medications)
makes any classification imprecise. The cardiac myocyte has two general types of action potentials: conduction system and working myocardium. The action potential...
21 KB (1,997 words) - 20:30, 15 November 2024
Catheter ablation (redirect from Cardiac 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...
16 KB (1,944 words) - 16:08, 26 August 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
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
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) - 13:04, 24 September 2024
electrocardiogram (EKG). Abnormalities of the cardiac conduction system (notably the Atrioventricular Node and His-Purkinje system) may predispose an individual to...
125 KB (13,739 words) - 15:04, 19 November 2024
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
Cardiac amyloidosis is a subcategory of amyloidosis where there is depositing of the protein amyloid in the cardiac muscle and surrounding tissues. Amyloid...
30 KB (3,354 words) - 02:30, 21 June 2024
nerve conduction study (NCS) is a medical diagnostic test commonly used to evaluate the function, especially the ability of electrical conduction, of the...
25 KB (2,815 words) - 05:45, 22 November 2024
Electrocardiography (redirect from Cardiac axis)
study of the conduction system of the heart is called cardiac electrophysiology (EP). An EP study is performed via a right-sided cardiac catheterization:...
91 KB (10,038 words) - 19:29, 29 October 2024
S. Tawara's The Conduction System of the Mammalian Heart Proceedings of the 5th Tawara-Aschoff Symposium on Cardiac Conduction System, p. 45-49, Oita...
5 KB (602 words) - 11:06, 8 June 2024
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...
24 KB (2,625 words) - 18:27, 18 November 2024
Bioinstrumentation (section Imaging systems)
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 (8,411 words) - 07:35, 11 November 2024
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 (2,317 words) - 12:39, 9 November 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) - 17:26, 6 July 2024