[Occult bacteremia in Sótero del Río Hospital: Experience after pneumococcal conjugated vaccine].

Background: Occult bacteremia (OB) is one of the possible diagnoses of children younger than 3 years with fever without source in the emergency room.

Objective: describe OB in the era after introduction of pneumococcal vaccine in Chile.

Patients And Methods: Prospective descriptive review of data of children with possible OB diagnosis, referred from the emergency department between 2010-2013.

Utility of transesophageal echocardiography during severe hypotension in non-cardiac surgery.

Background And Objectives: Severe and refractory hypotension is an infrequent perioperative situation during non-cardiac surgery, but determining its etiology is essential for successful management and therapy.

Methods: Adults undergoing non-cardiac surgery were prospectively enrolled in this study. Severe hypotension was defined as a drop from 30% of baseline systolic arterial pressure unresponsive to adequate fluids administration and to ephedrine, according to the anasthesiologist criteria.

[Illicit and psychotropic drug use among medical students at the Pontificia Universidad Católica de Chile].

Background: Illicit drug abuse is a public health problem, generally starting in adolescence. Medical students are not an exception.

Aim: To assess the consumption of illicit drugs among medical students of the Pontificia Universidad Católica de Chile.

[Smoking and alcohol drinking among medical students at the Pontificia Universidad Católica de Chile].

Background: Tobacco and alcohol consumption are public health problems, generally starting in adolescence. Medical students are not an exception.

Aim: To determine the characteristics of tobacco and alcohol use among medical students at the Pontificia Universidad Católica de Chile and their association with gender, career level and mental health.