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1 An in vitro technique is described for measuring the uptake of 86Rb by human erythrocytes. 2 Fifteen patients were treated with digoxin for atrial fibrillation and other fast arrhythmias. 3 86Rb uptake by the patients' own red cells fell from pre‐treatment values during digitalization. 4 The therapeutic response of patients with atrial fibrillation correlated better with the changes in 86Rb uptake than with plasma digoxin concentrations. 1977 The British Pharmacological Society

Original publication




Journal article


British Journal of Clinical Pharmacology

Publication Date





213 - 221