Joaquín Pio Antonio Eguía y Muro, Mexican physician (San Luis Potosí c.1760 – Zacatecas after 1833) 

Authored the first monograph about hepatic abscesses 

Described pericardial cavity (1790)

First to describe the perforation of pericarp of liver abscesses causing purulent pericarditis (1795)

With Miguel Fernandez & José Vazquez developed a method to treat fevers on basis of Masdevall method (1787)