"Emergency rooms in Canada are so crowded that patients are dying while they wait to be treated, Canadian doctors said this week. Threatment is free in Canada's national health-care system, and in many hospitals, packed ambulances idle outside for hours because there is no place to leave patients. Doctors are asking the provinces to adopt a plan in which patents are either admitted or discharged within six hours. "We've had people have heart attacks in the waiting room, people seize in the waiting room, and patients have miscarriages in the waiting room," said Dr. Brian Rowe of the University of Alberta Hospital. "It's like a Third World country."