From the Department of Medicine, Cardiology Division, Stanford University School of Medicine. Supported in part by a grant from the Fresno County Heart Association and by a research grant (FR-70) from ...

The refractory period refers to the time after having an orgasm during which a person is not sexually responsive. It can last from a few minutes to more than a day. Strategies to improve ...

The QRSs are wider than and different from other QRSs, raising a possibility of PVC. But they are clearly preceded by a prematurely occurring P wave and so are PAC with aberrant conduction. Aberrant ...