Left Septal Fascicular Block : Characterization, Differential Diagnosis and Clinical Significance.

Intro -- Foreword -- References -- Authors -- Contents -- Chapter 1: The Trifascicular Nature of the Left Hisian System, Anatomical Variants and Coronary Irrigation -- Introduction -- The Sunao-Tawara Concept -- Confirmation of the Trifascicular Concept of His Jr -- The Quadrifascicular Concept or "Uhley's Concept" -- Anatomic Variations of Distribution and Blood Supply by Demoulin-Kullbertus -- Distribution and Trajectory of the LSF -- Blood Supply to the Cardiac Conduction System, Left Fascicles or Divisions - Modified from Frink and James (1973) -- Notion of Coronary Circulation in the Heart and the Intraventricular Conduction System -- Left Circumflex Artery -- Right Coronary Artery -- His Bundle and Bundle Branches -- Bundle Branches -- Left Fascicles Blood Supply -- Other Arguments for the Trifascicular Nature of the Left Hisian System -- References -- Chapter 2: Ventricular Activation -- The Durrer Concept -- The Ventricular Activation Sequence -- The First 1AM 10-20 ms Ventricular Activation Vector -- Hypothetical Model of Ventricular Activation in Isolated LSFB -- Initial Activation Vectors/Forces from 0 to 20 ms -- Initial-Intermediate Vectors/Forces from 20 to 40 ms -- Intermediate-Final Vectors/Forces from 40 to 60 ms -- Basal Final Vectors/Forces from 60 to 100 ms or 110 ms -- Electrophysiological Aspects of Conduction Velocity of Stimulus Inside the LSF -- Characteristics of Purkinje Cells -- Demonstration of LSFB by Electrical Endocardial Catheter Mapping -- References -- Chapter 3: Definition of Diagnosis -- Numerous Nomenclatures Used for Left Septal Fascicular Block -- Conclusion from the Semantic Discussion About Nomenclature -- Possible Etiologies of LSFB -- Electrocardiographic Criteria for LSFB (Pastore et al. 2009 -- MacAlpin 2002, 2003 -- Dabrowska et al. 1978 -- Abrahao et al. 1979 -- Sanches and Moffa 2001).

Vectorcardiographic Criteria for LSFB (All in the HP) (De Pádua et al. 1976 -- De Pádua 1977a, b -- De Padua et al. 1978 -- Alboni et al. 1979 -- Inoue et al. 1983 -- Young et al. 1975 -- Nakaya et al. 1978 -- Sanches and Moffa 2001) -- Model of the Sequence of Ventricular Activation in LSFB Associated to CRBBB -- Electrovectorcardiographic Characterization of LSFB Associated with CRBBB -- Differential Diagnosis with Other Causes of Prominent Anterior QRS Forces -- Prominent Anterior QRS Forces Definition by Vectorcardiographic Parameters -- Normal Characteristics of QRS and T Loops in the HP in Adults (Macfarlane and Lawrie 1989 -- Draper et al. 1964 -- Haywood and Selvester 1966 -- Benchimol and Desser 1975) (Fig. 3.5) -- VCG Parameters Usefulness in Differential Diagnosis of Conditions Causing QRS Loop PAF in the HP -- Possible Causes for PAF -- Athlete's Heart and "Athlete Heart Syndrome" with PAF -- Misplaced Precordial Leads as Cause of PAF (Mattu et al. 2001 -- MacKenzie 2004 -- Pérez Riera et al. 2011) -- Old Strictly Posterior, Dorsal, High Posterobasal MI (Actual Lateral MI) -- Right Ventricular Hypertrophy (RVH): Vectorcardiographic Types A and B -- Diastolic Left Ventricular Hypertrophy (LVH) or Eccentric Left Ventricular Hypertrophy, Secondary to Septal Hypertrophy (Increase of Vector 1AM and/or Heart CCW Rotation Around the Longitudinal Axis) (see Figs. 3.10 and 3.30) -- Combined or Biventricular Loading or Biventricular Hypertrophy with PAF -- Complete Right Bundle Branch Block (CRBBB) -- Type A Pre-excitation Wolff-Parkinson-White (Bruyneel 1973) -- Hypertrophic Cardiomyopathy (HCM): Non-obstructive (NO-HCM) and Obstructive (HOCM) -- Duchenne's Cardiomyopathy -- Endomyocardial Fibrosis (EMF) -- Dextroposition -- References -- Chapter 4: LSFB ECG/VCG Examples -- References -- Chapter 5: Final Conclusions -- References -- Index.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.