Myocardial Blood Flow in Man as Measured by a Coincidence Counting System and a Single Bolus of 84 RbCl | Zendy

Suzanne B. Knoebel | Zendy; Paul L. McHenry | Zendy; Leon Stein | Zendy; Ahmet Sonel | Zendy

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Myocardial Blood Flow in Man as Measured by a Coincidence Counting System and a Single Bolus of ⁸⁴ RbCl

Author(s) -

Suzanne B. Knoebel,

Paul L. McHenry,

Leon Stein,

Ahmet Sonel

Publication year - 1967

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/01.cir.36.2.187

Subject(s) - medicine , blood flow , bolus (digestion) , cardiology , rubidium , nuclear medicine , coronary circulation , chemistry , potassium , organic chemistry

Utilizing a coincidence counting system for the measurement of myocardial uptake of an 84-rubidium indicator, resting coronary blood flow (CBF) was measured in 33 normal subjects. The average CBF was 269 ± 61 ml/min/total heart. This represented 5.2 ± 1.6% of the simultaneous cardiac output. Fourteen normal subjects had resting and exercising CBF measurements. The change in CBF with exercise was statistically significant (0.005 > P > 0.001). The characteristics of the method are discussed in relationship to possible clinical applications for the measurement of CBF.

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