the present study determined ( a ) the effect of potassium on 3h-ouabain binding to normokalaemic guinea pig cardiac cell membranes , ( b ) the effect of acute hypokalaemia induced by a potassium deficient diet for 14-18 days in guinea pigs on 3h-ouabain binding to erythrocytes and cardiac and skeletal muscle homogenates , and ( c ) ouabain induced inotropy in isolated contracting guinea pig left atria , right ventricular papillary muscles , and soleus muscle strips from normokalaemic and hypokalaemic guinea pigs .
C0018787
cardiac
C0225860
left atria