10+ Bundle Branch Block First Degree Junctional Rhythm Background. It sometimes makes it harder for your heart to pump blood efficiently through your body. Overview of atrioventricular (av) blocks.
Bundle branch block, especially left bundle branch block, can lead to cardiac dyssynchrony. First degree heart block is actually a delay rather than a block. In isolated rbbb the cardiac axis is unchanged, as left ventricular activation proceeds normally via the left bundle branch.
Junctional rhythm is a regular narrow qrs complex rhythm unless bundle branch block (bbb) is present.
A junctional rhythm occurs when the electrical activation of the heart originates near or within the atrioventricular. Stalking your history, i see your. Sinus tachycardia with first degree av block 5. With this conduction block, either the left or right bundle branch is blocked intermittently or fixed.