ABSTRACT Objective: To present theoretical-methodological reflections on the elaboration, types, and functions of theoretical models as well their conceptual analytic frameworks. Methods: This is an essay, whose material collection was carried out in a non-systematic way, by electing studies exclusively based line argument reflection that authors intend to submit appreciation public debate. Res...

introduction dilated cardiomyopathy (dcm) is the leading cause of heart failure and arrhythmia. case presentation a 47-year-old male, diagnosed with dilated cardiomyopathy, died due to heart failure. during the screening of his family members, his 17-year-old daughter and 9-year-old son also had dilated cardiomyopathy. another daughter had died suddenly at the age of 12 years. conclusions we he...

laparoscopic technique in recent years has tremendously being used as a non invasive surgery to perform different operation in abdominal and thoracic cavities. this technique has been used from 1987 in different aspect of human surgery. in addition to diagnosis, biopsy, visualizing adhesion and neoplastic structure, recently cholecystectomy and ovariohysterectomy were also commonly being used a...