1.   Pacifico said he would wait until Monday to see if the heart corrects its own rhythm.

2.   Cardiologist Tony Pacifico, an arrhythmia specialist, waited to see if the heart corrected itself before trying to bring it into sync with a defibrillator.

3.   Cardiologist Tony Pacifico, an arrhythmia specialist, had waited to see if the heart corrected itself before bringing it into sync with a defibrillator Monday morning.

4.   Cardiologist Tony Pacifico, an arrhythmia specialist, said he would wait until Monday to see if the heart corrects its own rhythm.

5.   Cardiologist Tony Pacifico, an arrhythmia specialist, had waited to see if the heart corrected itself before bringing it into sync with a defibrillator.