sinus node


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Related to sinus node: Sinus Node Dysfunction

sinus node

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The heart's pumping ability relies on electrical impulses generated by the sinus node, an area of specialized cells in the right upper chamber (atrium) of your heart.
5],[6] The heart rate, corrected sinus node recovery time (CSNRT), and atrial effective refractory period (AERP) were measured before and after ACh administration.
Anatomical investigation of sinus node artery using dual-source computed tomography.
Another explanation is that mechanical pressure on the sinus node by ejected blood causes acceleration in the nodal discharge.
10,11 The idea is to eliminate the intra atrial communication without narrowing of pulmonary vein or SVC and avoiding any injury to sinus node.
On the other hand, the cells which form the various structures of the heart, such as the atria, the chambers or the sinus node (i.
The data was analysed to find respiratory sinus arrhythmia, which may be translated as a breathing-induced irregularity in the sinus node, the bundle of nerve fibers controlling the heart beat.
Sample electrocardiograms point out the wave shapes and intervals for diagnosing coronary artery disease, intraventricular conduction defects, atrial rhythm disorders, ventricular tachycardias, sinus node dysfunction, and atrioventricular block.
P waves should be positive in the inferior leads because right atrial activation starts at the sinus node and propagates to the AV node in an inferior direction.
According to the company, SafeR is the only algorithm proven to dramatically reduce right ventricular pacing for patients with AV block as well as patients with sinus node disease.
The heart beat is normally controlled by a special group of cells called the sinus node that forms a natural pacemaker.