adenosine and adenosine triphosphate ( 3 mumol.kg-1 each ) were rapidly ( greater than or equal to 1 s ) injected into the right atrium during both sinus rhythm and right atrial pacing ( cycle length 300 ms ) before and after infusion of aminophylline ( 5 mg.kg-1 ) ( n = 21 ) as well as after increasing doses of aminophylline ( n = 10 ) .
C0001443
adenosine
C0001480
adenosine triphosphate