Circulatory standard is full of scientific flaws.The growing demand for transplantable organs has refocused attention on a circulatory standard of death.Cardiac mechanical asystole (or absent arterial pulse) lasting anywhere from 75 seconds to 5 minutes is the U.S. circulatory standard of declaring death in donation after cardiac death (JAMA 2009;301:1902-8). At that point, mechanical ventilation and hemodynamic support are both discontinued in the operating room, and surgical procurement...

SAN ANTONIO (EGMN) – Patients admitted and treated for subarachnoid hemorrhage are exposed to alarmingly high cumulative doses of radiation, according to findings from a retrospective, single-center study.“Stated very simply, 35% of these patients received more radiation during one hospitalization than a worker in a nuclear power plant would be allowed to get over an entire year,” Dr. Venkatesh Aiyagari said at the International Stroke Conference.CT scans have become a routine part of...