this conclusion is further supported by the finding of similar or higher digoxin concentration in right atrial myocardium than in left ventricular myocardium in atrial fibrillation ( 6 patients ) , and a lower digoxin concentration in right atrial myocardium than in left ventricular myocardium in sinus rhythm ( 3 patients ) .
C0004238
atrial fibrillation
C0012265
digoxin