采用随机、双盲、交叉和安慰剂对照研究观察氟卡胺对24例阵发性房性心律失常.

• The effects of flecainide on exercise ECG and hcmodynamics during symptom-limited treadmill testing (Bruce protocol) were investigated in 24 patients with paroxysmal atrial arrhythmia but without overt heart disease.