introduction: standard dose regimens for eradicating helicobacter have side effects, so some patients are not able to continue their treatment. this study was done to evaluate two regimens of tetracycline and metronidazole in eradicating helicobacter pylori with particular attention to frequency of side effects of two therapies. materials & methods: a prospective randomized controlled trial was...

introduction the purpose of this study was to estimate organ and effective doses in patients undergoing some common x-ray examinations in sabzevar, iran. the effective dose is one of the best parameters for describing the amount of radiation dose received by a patient undergoing any diagnostic x-ray examination. the public dose from x-ray examinations depends on various factors, and its contrib...

conclusion we constructed and validated a ct colonography phantom with correct density allowing performance of reproducible experiments. materials and methods we found 15 different phantom designs by literature search and compared their advantages and disadvantages based on their description and images. we tested various materials for density and mechanical properties and constructed a phantom ...

tramadol is used in treatment of moderate to severe pain. nowadays tramadol overdose is one of the common emergencies. naloxone is an antagonist which is used as a first step of treatment in these patients. this study was designed to evaluate the seizurogenic effects of naloxone in tramadol overdose. a number of 124 patients with the diagnosis of tramadol overdose were divided to receive low-do...

angiocardiography is an x-ray examination of the blood vessels or chambers of the heart. cardiologists and staff members applying this procedure are exposed to high levels of scattered radiation. in our previous study the incidence of unstable chromosomal aberrations and cytokinesis-blocked micronuclei were found to be significantly higher in exposed individuals than the age and sex matched con...