Operable Heart Disease is a clear, succinct monograph which presents many parts of this expanding subject in a valuable way for the pediatrician in training and the practitioner. Section I, titled "General Considerations," includes separate chapters on such subjects as routine diagnostic radiology, special diagnostic procedures, pulmonary hypertension, the physiology of total cardiopulmonary bypass, and preoperative and postoperative management, to name the ones most likely to give practical guidance to practitioners. Dr. Sirak in discussion of radiology and diagnostic procedures clarifies current surgical opinion on evaluation of clinical problems for pediatricians and other physicians. He presents, as his past work led us to expect of him, an excellent discussion of pulmonary hypertension. The reader will have a clear understanding of the effect of pulmonary vascular disease on determination of operability.
The last two chapters of Section I summarize the essentials of the physiologic basis of total body perfusion and postoperative