Myocardial Contractile Force in Hemorrhagic Shock

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Abstract
HEMORRHAGIC shock has been subject of concern to clinicians and has excited considerable interest among scores of investigators. The proper treatment of the patient in hemorrhagic shock constitutes a continuing discussion which has not been fully resolved. For many years, the accepted method of treating the severely hypotensive patient included a vasoconstrictor agent such as levarterenol or metaproteranol sulfate. These agents were effective in producing a marked elevation of blood pressure, but often did not result in the survival of the patient. In the mid-1950's such investigators as Nickerson1and Lillehei2suggested that vasodilating agents may offer a more physiologic approach to the treatment of patients in hemorrhagic shock. It was realized that effective tissue perfusion, rather than a normal blood pressure, was a more important factor in the survival of a shocked patient. This current study was conducted to evaluate myocardial performance when induced hemorrhagic shock is

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