Background: Due to the Covid 19 pandemic and the lack of useful information, in this study, we evaluated the hrct of patients with Covid 19Method: 92 patients confirmed by RT_PCR in Razi Hospital in Rasht were included in the study. In addition to their demographic and clinical information, their hrct findings were collected for evaluation. Among 92 patients (47 men, 45 women), the earliest symptoms included cough (81.5%), fever (67.4%), and muscle pain (58.7%) And Six patients required intubation and mechanical ventilation at some point during their hospital stay.Results: The most common hrct findings in our study were grade 4, peripheral lesion 87%, bilateral 95.7%, mixed 76.08%, ggos 75%, left lower lobe 94.56%. Among 92 patients, we had some inconsistent findings including two patients with cardiomegaly, three patients with pleural effusion, and bilateral pleural effusion in only one patient Conclusion: Compared to other studies, it can be concluded that peripheral, bilateral, mixed, ggos, left lower lobe involvement are important findings in most patients with covid 19. We suspect that the disease has more severe lung involvement in men and less involvement in women, which needs further investigation.
Alpha radiation from Polonium-210 (210Po) is considered to be an important agent of bronchial cancer in smokers. Besides reexamination of the radionuclide in domestic and imported cigarette brands separately, the radioactive contamination was also followed during the cigarette-producing procedure in Gilan as one of the major regions of tobacco cultivation in Iran. The activity level of 210Po in Iranian domestic and imported cigarettes averaged 38.4 ± 6% and 20.0 ± 7% mBq g−1, respectively. Drying in direct contact with fumes of fossil fuel seems like one of the main excessive sources of 210Po in Persian cigarettes.
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