[Lactate levels with regards to the pulse pressure in patients with shock].

Background: Lactate is one of the most useful biomarkers to screen patients with shock; therefore, the aim of this study was to establish the levels of lactate regarding the pulse pressure in that sort of patients.

Methods: Observational, retrospective, cross-sectional and descriptive study of patients over 18 years diagnosed with shock from an emergency room of a tertiary care hospital. Lactate levels and pulse pressure were used as biomarkers.

[Lactate levels as a predictor of mortality in patients with septic shock].

Background: The objective was to determine the association between serum lactate levels and mortality in patients with septic shock in the Emergency Room of the Instituto Mexicano del Seguro Social's Centro Médico Nacional Adolfo Ruiz Cortines.

Methods: We included the patients admitted to the Emergency Room with diagnosis of septic shock who had measure of serum lactate at admission during the period 01-12/2013; it was a case-control study. The cut-off value of serum lactate associated with mortality was performed using the ROC (receiver operating characteristic) curves.

[Validation of an instrument to measure the clinical aptitude of the pregraduated intern attention of the diabetic patient with chronic complications in home].

Objective: To validate an instrument to evaluate the clinic aptitude of the pregraduate intern in the integral attention of the diabetic patient with chronic complications at home.

Methods: A comparative cross-sectional study; 114 pregraduate interns from five medical units were included to determine the clinic aptitude by an instrument with five real clinical cases of diabetic patients. Seven clinical indicators and 175 statements were used.