VALIDATION OF THE ROCKALL SCORE IN UPPER GASTROINTESTINAL TRACT BLEEDING IN A COLOMBIAN TERTIARY HOSPITAL.

Background: Rockall score is the most widely used prognostic scale for assessing risk of complications from non-varicose upper gastrointestinal bleeding (UGIB). Several studies have been conducted in adult populations with non-varicose UGIB in different parts of the world, with conflicting findings regarding the extent of association between the score and some morbidity and mortality outcomes. Also, there is controversy regarding the best cut-off point for the score.

Alveolar Proteinosis Secondary to , in a Patient with Transient CD4 Lymphocytopenia Due to Infection: First Case in the Literature.

Transient CD4 lymphocytopenia is defined as the transitory presence of CD4+ T lymphocyte fewer than 300 cells/mm or less than 20% of T cells without HIV infection. It can occur due to multiple causes; however, it is rare for it to occur due to opportunistic infections. Few cases have been described in the literature where antimicrobial treatment normalizes the CD4 count, being more frequent in infections.