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Portnoĭ VF, Dvortsin GF. Eksperimental'noe obosnovanie novogo sposoba opredeleniia koronarnogo krovotoka pri pomoshchi elektromagnitnogo floumetra [Experimental basis of a new method of determination of coronary blood flow with the aid of electromagnetic flowmeter]. Kardiologiia. 1976;16(5):118-23
Portnoĭ, V. F., & Dvortsin, G. F. (1976). Eksperimental'noe obosnovanie novogo sposoba opredeleniia koronarnogo krovotoka pri pomoshchi elektromagnitnogo floumetra [Experimental basis of a new method of determination of coronary blood flow with the aid of electromagnetic flowmeter]. Kardiologiia, 16(5), 118-23.
Portnoĭ, V F, and Dvortsin, G F. "Eksperimental'noe obosnovanie novogo sposoba opredeleniia koronarnogo krovotoka pri pomoshchi elektromagnitnogo floumetra" [Experimental basis of a new method of determination of coronary blood flow with the aid of electromagnetic flowmeter]. Kardiologiia vol. 16,5 (1976): 118-23.
Portnoĭ VF, Dvortsin GF. Eksperimental'noe obosnovanie novogo sposoba opredeleniia koronarnogo krovotoka pri pomoshchi elektromagnitnogo floumetra [Experimental basis of a new method of determination of coronary blood flow with the aid of electromagnetic flowmeter]. Kardiologiia. 1976 May;16(5):118-23. Russian. PMID: 133265.
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Kardiologiia. 1976 May;16(5):118-23.

[Experimental basis of a new method of determination of coronary blood flow with the aid of electromagnetic flowmeter].

Kardiologiia

[Article in Russian]
V F Portnoĭ, G F Dvortsin

PMID: 133265

Abstract

Canine experiments have demonstrated the high precision of measurements performed with the aid of modern electromagnetic flowmeters (1-2%). Under such conditions, cuff transducers of a large diameter permit to record low volume flow rates. Proceeding from this observations, the authors have introduced and experimentally substantiated a new method of measuring the coronary blood flow that consists in the determination of the minute volume gradient between the pulmonary artery trunk and the ascending aorta. In contrast to the existing techniques of coronary flow measurements, the introduced method has several advantages (it takes into account the total coronary flow, permits high precision and an unlimited number of repeated measurements in a dynamic observation), but it can be employed only in the course of surgical interventions on the heart after the ascending aorta has been separated from the trunk of the pulmonary artery.

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