What use is Watson? IBM hopes the same technology will be able to analyze patient medical files and pattern match with vast storehouses of medical information. The main reason objection to Nurse Practioners acting as primary care physicians is that they lack the education and experience to identify less common illnesses.
The most accurate method today for diagnosing a heart attack is not a top cardiologist but instead a static mathematical formula based on key syptoms. Sophisticated learning alogorithms on a supercomputer would be far superior to this, and would make possible for health care providers everywhere to diagnose patients correctly.