MYOCARDIAL BLOOD FLOW DETERMINED WITH KRYPTON 85 IN UNANESTHETIZED DOGS
Journal Article
·
· American Journal of Physiology (U.S.)
OSTI ID:4822503
Serial, rapid measurements of left ventricular myocardial blood flow in trained, unanesthetized dogs have been made by injecting krypton-85 through chronically implanted coronary artery catheters and counting with an external scintillation detector. Precordial radioactivity declined as a single exponential function during the first 2 min after injection, suggesting a single rate of myocardial blood flow. Simultaneous estimations with Kr/sup 85/ and blood flowmeters in acute experiments established the accuracy and reproducibility of the technique. Myocardial blood flows between 40 and 55 ml/ 1OO g/min were observed repeatedly in three well-trained, unanesthetized dogs in the basal state. (auth)
- Research Organization:
- Harvard Medical School, Boston
- NSA Number:
- NSA-16-023362
- OSTI ID:
- 4822503
- Journal Information:
- American Journal of Physiology (U.S.), Journal Name: American Journal of Physiology (U.S.) Vol. Vol: 203; ISSN AJPHA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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