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Journal of basic and clinical physiology and pharmacology • 2001 | View Paper
“In contrast, adenosine failed to abolish EADs and TA induced by quinidine (3 microM) or those that occurred spontaneously (i.e., in the absence of drugs).”
“ Quinidine suppressed the action of adenosine in the sinus node (-38 to -52%; P less than 0.05) but not in the ventricle.(ABSTRACT TRUNCATED AT 250 WORDS)”
The American journal of physiology • 1990 | View Paper
“ Quinidine , a membrane-stabilizing drug, prolonged the action potential duration, decreased the Vmax, and increased the contractile force, i.e. diminished the electrical and mechanical changes in the atria treated with adenosine.”
Archives internationales de pharmacodynamie et de therapie • 1986 | View Paper
“Though the relaxant effect of adenosine tetraphosphate was blocked in a non-competitive manner by quinidine (5 microM) and phenoxybenzamine (25 microM), theophylline or caffeine (50 microM) failed to block this response.”