An ectopic pacemaker, also known as ectopic focus or ectopic foci, is an excitable group of cells that causes a premature heart beat outside the normally...

of acting as the default or "escape" pacemaker. An ectopic pacemaker also known as an ectopic focus or ectopic foci, is an excitable group of cells that...

Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers...

activity. Hence, the ectopic pacemaker is expected to fire at a fixed rate. Therefore, on ECG, the coupling intervals of the manifest ectopic beats will wander...

believed that the atria had different ectopic foci that were spontaneously depolarizing, each foci acting as a pacemaker for the heart. However, the atrial...

of a pacemaker has been advocated in a subset of individuals, in order to cause asynchronous contraction of the left ventricle. Since the pacemaker activates...

ventricular contractions: enhanced ectopic nodal automaticity, re-entry signaling, and toxic/reperfusion triggered. Ectopic enhanced nodal automaticity suggests...

usually caused by a malfunction of the sinus node, the heart's primary pacemaker. Tachycardia-bradycardia syndrome is a variant of sick sinus syndrome...

heart's electrical impulse comes from an ectopic pacemaker (that is, an abnormally located cardiac pacemaker) in the upper chambers (atria) of the heart...

Junctional ectopic tachycardia (JET) is a rare syndrome of the heart that manifests in patients recovering from heart surgery. It is characterized by...

preexcitation syndrome, ventricular ectopic rhythms, congenital heart disease, hyperkalemia, emphysema, mechanical shift and pacemaker-generated paced rhythm. Normal...

beats, in which the normal sinoatrial node fails, leaving a non-nodal pacemaker to initiate a late beat. The exact cause of PACs is unclear; while several...

definitive treatment with an implanted pacemaker. In atrioventricular causes of bradycardia, permanent pacemaker implantation is often required when no...

The slow heart rate may also lead to atrial, junctional, or ventricular ectopic rhythms. Bradycardia is not necessarily problematic. People who practice...

which there is a single ectopic beat, or irregular heartbeat, following each regular heartbeat. Most often this is due to ectopic beats occurring so frequently...

as junctional tachycardia, focal junctional tachycardia, or Junctional Ectopic Tachycardia (JET). Patients' heart rates are frequently between 200 and...

electrical activity begins in the sinoatrial node (the heart's natural pacemaker), which is situated on the upper right atrium. The impulse travels next...

Treatments may include medications, medical procedures such as inserting a pacemaker, and surgery. Medications for a fast heart rate may include beta blockers...

Pacemaker syndrome is a condition that represents the clinical consequences of suboptimal atrioventricular (AV) synchrony or AV dyssynchrony, regardless...

evaluation, and those with LBBB and syncope or near-syncope may require a pacemaker. Some patients with LBBB, a markedly prolonged QRS (usually > 150 ms)...

fibrillation Pacemaker Ectopic pacemaker / Ectopic beat Multifocal atrial tachycardia Pacemaker syndrome Parasystole Wandering atrial pacemaker Long QT syndrome...

It is important to diagnose AV-blocks precisely because unnecessary pacemaker placement in patients with pseudo-AV blocks can worsen symptoms and create...

sometimes be distinguished by its prompt response to vagal maneuvers. Ectopic (unifocal) atrial tachycardia arises from an independent focus within the...

fibrillation Pacemaker Ectopic pacemaker / Ectopic beat Multifocal atrial tachycardia Pacemaker syndrome Parasystole Wandering atrial pacemaker Long QT syndrome...

considered a form of ectopic pacemaker activity that is unveiled by lack of other pacemakers to stimulate the ventricles. Ventricular pacemaker cells discharge...

Junctional tachycardia Metabolic myopathy Multifocal atrial tachycardia Pacemaker mediated Pain Panic attack Pheochromocytoma Sinus tachycardia Sleep deprivation...

reduce blood clot risk. Anti-arrhythmics: to maintain normal heart rhythm. Pacemaker: Coordinates contractions between ventricles. In people at risk of arrhythmias...

artificial valves, hemodialysis, intravenous drug use, and electronic pacemakers. The bacteria most commonly involved are streptococci or staphylococci...

fibrillation Pacemaker Ectopic pacemaker / Ectopic beat Multifocal atrial tachycardia Pacemaker syndrome Parasystole Wandering atrial pacemaker Long QT syndrome...

WL, Lu L (2022). "Appendiceal Neuroendocrine Tumor Is a Rare Cause of Ectopic Adrenocorticotropic Hormone Syndrome With Cyclic Hypercortisolism: A Case...