A groundbreaking leadless pacemaker implantation in a complex congenital heart case—exploring an innovative approach to ...

Sinus tachycardia is recognized on an ECG with a normal upright P wave in lead II preceding every QRS complex. This indicates that the pacemaker is coming from the sinus node and not elsewhere in ...

The use of pacing therapy for sinus node dysfunction, AV block, and bundle branch block are discussed below and summarized in Table III. Potential future uses for pacing therapy are discussed in ...

Is your heart racing because you’re in love or is it a sign of a more serious heart condition? A cardiologist explains how to spot the difference.

The Effects of Aging on the Sinus Node and the Cardiac Conduction System Once the atria are activated, the electrical impulse travels sequentially through the AV node, His bundle, and left and ...

Ischemic heart or peripheral vascular disease. 1 st-degree AV block. Sinus node dysfunction. Conduction disorders (eg, Wolff-Parkinson-White). Monitor HR during therapy. Bronchospastic disease.

Initially one 0.1mg/day patch weekly; may increase after 1–2 weeks; max 0.6mg/day. Sinus node dysfunction. AV block. Pheochromocytoma: not effective. Conduction disturbances. Renal dysfunction.