Bestimmung der Masse des perfundierten Myokards in Abhängigkeit vom Perfusionsdruck mit Hilfe der Xe133-Auswaschtechnik
1966
In dog experiments the left coronary artery or the descending branch of the left coronary artery were perfused with the blood of the same dog out of an airchamber with various pressures. Mean coronary inflow was measured with an electromagnetic flowmeter. Mean transit times of Xe133 were calculated from the washout-curves recorded by external counting after single intracoronary injections. The mass of the perfused myocardium was calculated as the product of mean transit time of Xe133, coronary flow, and specific gravity of the myocardium.
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