Exercises in Practical Physiciology: Physiology of the Nervous Systema and Electro-physiology.

Waller. A.

Editore: New York and Bombay, 1897.

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hard wrapper chipped in lower right corner,91 pages, some ex-lib markings, else GOOD. QUITE RARE AND IMPORTANT, By the discoverer of Electrocardiography Augustus Waller demonstrated the possibility of measuring such action, physicians and physiologists have recorded it in order to study the heart's normal behavior and to provide a method for diagnosing abnormalities. Electrical current associated with contraction of the heart muscles passes through the various tissues and reaches the surface of the body. What is actually recorded is the change in electrical potential on the body surface. The first practical device for recording the activity of the heart was the string galvanometer developed by William Einthoven in 1903. yfaaaebN0.

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Dati bibliografici

• Titolo: Exercises in Practical Physiciology: Physiology of the Nervous Systema and Electro-physiology.
• Editore: New York and Bombay, 1897.
• Rilegatura: Hardcover
• Tipo di libro: Book