in the previous two parts of educational manuscript series in emergency, we explained some screening characteristics of diagnostic tests including accuracy, sensitivity, specificity, and positive and negative predictive values. in the 3rd  part we aimed to explain positive and negative likelihood ratio (lr) as one of the most reliable performance measures of a diagnostic test. to better underst...

background:     purpose:     methods:     results:     conclusion:     key words     journal of medical education summer   2004;5(2):59-61 our results warrant a more attentive approach to clinical skills (specially procedural skills) training all 250 interns who were eligible participated. over all 46.60% interns learned their clinical skills from residents or clinical teachers, 29.61% observed...

Central venous catheterisation (CVC) is an invasive medical procedure with a high risk of complications. The role the advanced practice nurse, who aware types CVC, potential factors and complication prevention tactics, important in order to reduce incidence CVC complications.
 Objective. aim this article review nursing needs complications after central catheterisation.
 Materials meth...

background: breast cancer is the most common type of cancer in women demanding time and accurate diagnosis to take remedial measures to treat. objective: comparing the diagnostic capability of the computer regulation thermography (crt), as a novel and safe dignostic procedure, with common clinical examination and imaging methods including sonography and mammography for diagnosing breast cancer ...

background: in diagnostic radiology lead apron, are usually used to protect patients and radiology staff against ionizing radiation. lead apron is a desirable shield due to high absorption and effective attenuation of x-ray photons in the diagnostic radiology range. objective: although lead aprons have good radiation protection properties, in recent years, researchers have been looking for alte...