…Components of the ventricular conduction system and the temporal association between the ECG and impulse transmission through the heart. An intraventricular conduction delay may occur…

…Intraventricular conduction delay in a standard 12 lead electrocardiogram as a predictor of mortality in the general population. Circ Arrhythm Electrophysiol 2011;4:704–710…

…are common in myocardial ischemia and infarction. These conditions may be seen as signs of ischemia, which is why one must be familiar with them…

…50 beats per minute in the first 4 to 6 hours after an acute infarction—patients may develop hypotension and signs of end organ hypoperfusion…

…originates in the atria it will pass through the bundle of His and therefore produce a normal QRS complex (provided that intraventricular conduction is normal)…

…provided that intraventricular conduction is normal). If the P wave is visible, it is retrograde in lead II (because of the reversed direction of atrial…

…atrial fibrillation) if the block in the AV node is high grade. Causes of tachyarrhythmia with narrow QRS complexes (QRS duration < 0.12 s…

…high suspicion of intermittent infrahisian block should be maintained, particularly in older patients and those exhibiting a bundle branch block (BBB) or an intraventricular conduction…

ECG Hypertrophy and dilatation Principles of atrial and ventricular enlargement (hypertrophy and dilatation) Cardiac chamber enlargement refers to abnormally large atria or abnormally large ventricles…

…clinical relevance and it may lead to misunderstanding. Use of the term PSVT is therefore not recommended. Synonyms for AVNRT Atrioventricular nodal reentrant tachycardia Atrioventricular…