Because every physician, and even more so, every student in medicine, is aware of the important theoretic basics of Electrocardiology [as anatomy and the impulse conduction system, correlation between ion flows and the intracellular action potential (AP) of a single myocardial working cell, lead systems, and the nomenclature of the heart cycle], repetition in this short ECG Manual is renounced. Only some lesser-known basics are provided. Moreover, the reader will find a section about the determination of the frontal QRS axis (ÅQRSF).
Atrial vectors are discussed in Chapter 3, “The Normal Electrocardiogram and Its (Normal) Variants.” The ventricular vectors, however, are discussed in this chapter, and a simplified scheme of the left ventricular vectors is provided that is especially useful in understanding bundle-branch blocks and the fact that the human electrocardiogram (ECG) generally represents a “levogram.”
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© 2009 Springer-Verlag London Limited
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(2009). Some Theoretic Aspects. In: The ECG Manual. Springer, London. https://doi.org/10.1007/978-1-84800-171-8_1
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DOI: https://doi.org/10.1007/978-1-84800-171-8_1
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