Author:
Perloff J K,Roberts N K,Cabeen W R
Abstract
This report deals with the ramifications of the concept of left axis deviation. In early life, the leftward shift of the frontal plane QRS axis is determined chiefly, if not solely, by the relative weights of the ventricles. Once adult ventricular weight ratios are reached, there is a long period of axis stability, then a gradual leftward drift of the QRS, governed principally by left anterior fascicular conduction. Thus, the normal QRS axis is age-dependent, and left axis deviation must be considered accordingly.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Physiology (medical),Cardiology and Cardiovascular Medicine
Reference115 articles.
1. Hoffman I Taymor RC eds. Vectorcardiography vol 1. Amsterdam North Holland Publishing Co 1966 p 256
2. WEIGHTS OF CARDIAC VENTRICLES AT AND AFTER BIRTH
3. THE WEIGHT OF THE VENTRICLES IN THE LATER WEEKS OF INTRA-UTERINE LIFE
4. Rosenbaum MB Elizari MV Lazzari JO: The Hemiblocks. Oldsmar Fla Tampa Tracings 1970
5. The hemiblocks: diagnostic criteria and clinical significance;Rosenbaum MB;Mod Concepts Cardiovasc Dis,1970
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