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Ventricular tachycardia (or VT or "V-Tach") is merely a row or a run of several (three or more) consecutive ventricular premature complexes. It can be sustained or non-sustained, monomorphic or polymorphic, regular or irregular, depending on its electrophysiological mechanisms of initiation and…
Read MoreAny heartbeat that is "premature" occurs at a time that is "too early", namely prior to its expected timing.Such expectations are typically based on other beat-to-beat intervals, most importantly the shortest among them, if there is a cyclic, predictable and gradual change in these, as in normal…
Read MoreAny tachycardia, if only fast and long enough, might lead to hemodynamic compromise and therefore warrants attention and sometimes, intervention. The choice of an antiarrhythmic agent with the highest likelihood of success can be challenging. It is often led by the identification of a…
Read MoreIntraventricular conduction aberrancy might compromise the fine coordination, synchronization, and synergy needed for enabling an effective yet (metabolically) “economic” mechanical contraction of the ventricular myocardium. Although when aberrant, pharmacotherapy can hardly improve conduction,…
Read MoreAtrial fibrillation is a tachyarrhythmia in which a rapid, irregularly irregular ventricular rhythm results from electrophysiological "bombardment" of the ventricular myocardium by multiple atrial foci, each contributing to chaotic electrical activity mediated through the atrioventricular node…
Read MoreAtrial premature complexes (APCs) result from "arrhythmic" (dysrhythmic) activity originating from a point located above the atrioventricular (AV) node.
Read MoreSeveral examples manifest various degrees of atrioventricular conduction anomalies, termed together, "Atrio-Ventricular Block" or "AV-Block".
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