Conduction defects ECG Right bundle branch block (RBBB) Right bundle branch block (RBBB) is due to an anatomical or functional dysfunction in the right bundle…

…occurs more often than sinus node involvement, and atrioventricular block (AVB) may indicate septal involvement in the inflammatory process. A broad spectrum of pharmacologic agents…

…ventricular branch (RV, 3), acute marginal branch (AM, 4), atrioventricular nodal branch (AV), right posterior descending artery (RPDA, 4), and right posterolateral branch (RPLB, 16)…

…complexes are normal (QRS duration < 0.12 s), unless there is a intraventricular conduction defect. The ventricular rhythm is regular (as is the atrial…

Conduction defects ECG Atrioventricular block (AV block): definition, causes, diagnosis & management This article covers the fundamental principles of atrioventricular (AV) blocks, which are classified into…

…atrial ( retrograde direction ) or both. Accessory pathways do not display the slow conduction that the atrioventricular node does, and this means that any impulse reaching…

Conduction defects ECG Management and treatment of AV blocks (AV block 1, 2 & 3) Evaluation of patients with suspected AV blocks requires a thorough medical…

…automaticity will facilitate understanding of this article. As discussed in Chapter 1 the atrioventricular node does not exhibit automaticity, meaning that it does not discharge…

Cardiology Substance : Adenosine Brand names : Adenocor Mechanism of action Adenosine works by slowing down the impulse transmission through the atrioventricular (AV) node, thereby interfering with…

Conduction defects ECG First degree AV block: ECG criteria, clinical characteristics & management This chapter discusses first degree atrioventricular (AV) block, also referred to as 1st…