Concealed conduction further evaluation of a fundamental aspect of propagation of the cardiac impulse.
نویسندگان
چکیده
منابع مشابه
The Different Mechanisms of Action Potential Propagation in the Heart
It was thought previously that cardiac muscle gap junctions provide low-resistance connections between cells and permit the local-circuit current to flow. Some evidences show that myocardial cells may not require low-resistance connections for successful propagation of the action potential (AP). It seems that some other types of mechanisms must be involved in AP propagation. In this article, we...
متن کاملThe Different Mechanisms of Action Potential Propagation in the Heart
It was thought previously that cardiac muscle gap junctions provide low-resistance connections between cells and permit the local-circuit current to flow. Some evidences show that myocardial cells may not require low-resistance connections for successful propagation of the action potential (AP). It seems that some other types of mechanisms must be involved in AP propagation. In this article, we...
متن کاملPATHOPHYSIOLOGY AND NATURAL HISTORY Retrograde concealed conduction in the atrioventricular node: dilferential manifestations related to level of intranodal penetration
Although concealed conduction in the atrioventricular node (AVN) has been the focus of numerous experimental and clinical studies, little is known about the differential effects on AVN functional behavior of prior concealed retrograde impulse penetration alone vs prior anterograde or dual AVN activation. This study was undertaken specifically to investigate this aspect of human AVN physiology i...
متن کاملRetrograde concealed conduction in the atrioventricular node: dilferential manifestations related to level of intranodal penetration
Although concealed conduction in the atrioventricular node (AVN) has been the focus of numerous experimental and clinical studies, little is known about the differential effects on AVN functional behavior of prior concealed retrograde impulse penetration alone vs prior anterograde or dual AVN activation. This study was undertaken specifically to investigate this aspect of human AVN physiology i...
متن کاملIonic mechanisms of electronic inhibition and concealed conduction in rabbit atrioventricular nodal myocytes.
BACKGROUND The term "concealed conduction" is used in electrocardiography when a proximal (atrial or ventricular) impulse penetrates the atrioventricular (AV) node but fails to traverse it completely. Its penetration into the node is inferred by its after effects on the propagation of succeeding impulses. Concealed AV nodal conduction is a well-established phenomenon, but its precise cellular a...
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ورودعنوان ژورنال:
- Circulation
دوره 13 3 شماره
صفحات -
تاریخ انتشار 1956