Av Block

Some articles on av block, av, block:

Third-degree Atrioventricular Block - Treatment
... Third-degree AV block can be treated by use of a dual-chamber artificial pacemaker ... of device typically listens for a pulse from the SA node and sends a pulse to the AV node at an appropriate interval, essentially completing the connection between the two ... conditions that can accompany third-degree AV block ...
Sinoatrial Block
... atria, down the internodal atrial pathways, and to the Atrioventricular (AV) node ... would travel across the “bundle of His” (AV bundle), down the bundle branches, and into the Purkinje fibers ... In an SA block, the electrical impulse is delayed or blocked on the way to the atria, thus delaying atrial depolarization ...

Famous quotes containing the word block:

    Painting consumes labour not disproportionate to its effect; but a fellow will hack half a year at a block of marble to make something in stone that hardly resembles a man. The value of statuary is owing to its difficulty. You would not value the finest head cut upon a carrot.
    Samuel Johnson (1709–1784)