Physiology and biochemistry in modern medicine . This can be done by local warming of the apex, or by applyingthe ventricular electrode at varying parts of the ventricle in an excisedheart beating in Ringers solution of relatively high H-ion concentra-tion. Mines showed that under these conditions a typical T-wave ap-pears in the electrocardiogram, as shoAvn in Fig. 84.* The existence of the small Q-wave, indicating that the contractiondoes not really start from the base, conforms with the observation thatthe Purkinje system of fibers ends about the papillary muscles, whichtherefore would be t
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Physiology and biochemistry in modern medicine . This can be done by local warming of the apex, or by applyingthe ventricular electrode at varying parts of the ventricle in an excisedheart beating in Ringers solution of relatively high H-ion concentra-tion. Mines showed that under these conditions a typical T-wave ap-pears in the electrocardiogram, as shoAvn in Fig. 84.* The existence of the small Q-wave, indicating that the contractiondoes not really start from the base, conforms with the observation thatthe Purkinje system of fibers ends about the papillary muscles, whichtherefore would be t