The varying characteristics of the barrios are recognized by the Tepoztecos themselves, and at least the more reflective of them can express the differences they feel.

ECMO is used as a bridge to surgery to stabilize the patient.

So quickly the poore mans ſubſtance is ſpent, But merrily with the world it went, VVhen men eat berries of the hauthorne tree, […] And old men knew not vſurie: Now tis come to a wofull paſſe, […]

And therewithall he fiercely at him flew, / And with importune outrage him assayld ….