Gac Med Mex
-
The evolution of medical thought from the precientific phase during Renaissance toward the beginning of scientific phase in the XVII Century is reviewed. This phase was dominated by the great event of the discovery of blood circulation. The irradiation of this doctrine was parallel to that of Copernican theory. ⋯ However only toward the middle of XX century it was possible to create and sistematize a cardiological specialty, thanks to the foresight of Dr. Ignacio Chávez. Cardiology today constitutes a mother discipline fragmented in a great number of subspecialities, each one having own characteristics, methodology and focussing.