31.   No institution needs two chiefs of cardiac surgery, for example.

32.   Spencer was scheduled for cardiac surgery the next day.

33.   The cause of death was complications from cardiac surgery, said his brother, David Solomon.

34.   The companies also said they may jointly develop products and techniques for minimally invasive cardiac surgery and other types of surgery.

35.   The cause of death was complications of cardiac surgery, a spokeswoman for the company said.

36.   The purpose of these programs was to improve cardiac surgery by tracking surgical outcomes and sharing the results with participating hospitals.

37.   The state publishes annual hospital report cards for cardiac surgery.

38.   The technique is controversial in the competitive world of cardiac surgery.

39.   Under the old system, the hospitals were reimbursed by diagnosis, getting a set amount, for example, for cardiac surgery and another for a Caesarean birth.

40.   About two-thirds of U.S. heart attack patients each year do not get angioplasties because they are taken to hospitals without cardiac surgery units.