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Figure 78-1
A, Schematic representation
of a cardiac compression pump. B, An intrathoracic
pressure pump. C, collapse of airways and venous structures; LV, left ventricle;
RV, right ventricle. (Redrawn with modification from Halperin HR: Mechanisms
of forward flow during external chest compression. In
Paradis NA, Halperin HR, Nowak RM [eds]: Cardiac Arrest: The Science and Practice
of Resuscitation Medicine. Baltimore, Williams & Wilkins, 1995, p 252.)
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