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Electrocardiograms: A Systemic Method of Reading Them.

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Second Edition. By ARMSTRONG MICHAEL L.. , M.B., B.S. 76 pages. The Williams & Wilkins Co., Baltimore: , 1968.. Price, $7.50.

Ann Intern Med. 1969;71(4):879. doi:10.7326/0003-4819-71-4-879_1
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This excerpt has been provided in the absence of an abstract.

Electrocardiograms is an extremely small volume that is written to be used in "a logical step-by-step process" by the beginner in the field.

Because of very limited page size, many omissions have resulted in serious oversimplification of the subject.

It is unfortunate that the definitions of many electrocardiographic findings are either not clear or erroneous. For instance, sino-atrial block is defined as "a failure of the normal impulse to be discharged from the pacemaker or sinoatrial node. If there is complete sino-atrial block, there results bradycardia, because the sino-atrial node fails to discharge an impulse altogether. . . ." This


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