Microdialysis and the measurement of muscle interstitial K+ during rest and exercise in humans.


The purpose of this study was to examine whether microdialysis and the internal reference thallium-201 ((201)Tl) could accurately measure muscle interstitial K+ (Ki+) before, during, and after exercise. The relative loss of (201)Tl and simultaneous relative recovery of K+ were measured in vitro for 12 microdialysis probes that were bathed in Ringer acetate… (More)

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