Objective: We aimed to investigate the knowledge of medical students about COVID-19, the effects of the traumatic situation they experienced, the stress they perceived and the factors affecting them. In addition, we aimed to learn the thoughts of the students about the virus due to the uncertainties. Methods: The study was carried out online between April 30, May 5, 2020 with a questionnaire prepared with googleforms. For the study, all students studying at the Faculty of Medicine of Istanbul Yeni Yüzyıl University were called through class representatives and WhatsApp class groups. The questionnaire included sociodemographic information, knowledge and sources of information about the disease, to agreement degree the proposition whether covid 19 is produced as a biological weapon. The Perceived Stress Scale (PSS) and Impact of Events Scale-Revised (IES-R) were applied. Results: The total number of participants was 275 students. No student was infected with COVID-19 at the time of the survey. The presence of chronic disease in the participants was found to be a factor that increased anxiety (p = 0.01). Majority of participants (60.40%) stated that they agree with COVID-19 is a biological weapon. The mean scores of women ‘s total PSS and IES-R were higher than men. It was found that the families of the students had a lower monthly income than the minimum monthly wage is increasing the anxiety about getting COVID-19 infection and perceived stress. One-third of the students reported that sleep and appetite were impaired than the before pandemic. The announcements and website of Ministry of Health and the social media was the main source of information of the participants. Conclusions: It was found that medical students were highly worried about being infected with COVID-19. The scores obtained from the pre-clinic students’ anxiety to become infected with COVID-19, PSS and IES-R total scores were found to be significantly higher than their clinical students. doi: https://doi.org/10.12669/pjms.36.6.2985 How to cite this:Torun F, Torun SD. The psychological impact of the COVID-19 pandemic on medical students in Turkey. Pak J Med Sci. 2020;36(6):---------. doi: https://doi.org/10.12669/pjms.36.6.2985 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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A AB BS S T TR RA AC CT T O Ob b j je ec c t ti i v ve e: : We in ves ti ga ted the ef fi cacy and sa fety of ser tra li ne in the tre at ment of dep res si on in pa ti ents with Par kin son's di se a se (PD) wit ho ut mo tor os cil la ti ons. Ser tra li ne has less po ten ti al for phar ma co ki ne tic drug in te rac ti ons than ot her an ti dep res sants and this fe a tu re ensu res an to le ra bi lity pro fi le es pe ci ally in the el derly. M Ma a t te e r ri i a al l a an nd d M Me et t h ho od ds s: : Six te en pa ti ents with PD who we re di ag no sed with ma jor dep res si on ac cor ding to DSM-IV cri te ri a we re inc lu ded in this open-la bel tri al for 8th we eks. An ti-par kin so ni an me di ca ti ons ha ve not be en mo di fi ed throug ho ut the study pe ri od. Ini ti al ser tra li ne do se was 25 mg for the first we ek and then in cra sed to 50 mg gi ven every mor ning. For as sess ment of dep res si on, Beck Dep res si on In ventory (BDI) and Ha mil ton Dep res si on Ra ting Sca le (HAM-D) we re used and Uni fi ed Par kin son's Di se a se Ra ting Sca le (UPDRS) and Ho ehn-Yahr Sca le we re used for par kin so nism. R Re e s su ul lt ts s: : BDI and HAM-D sco res dec re a sed sig ni fi cantly (p= 0.000) and cli ni cal glo bal as sess ment of ef fi cacy re ve a led "go o d" or "ex cel len t" res pon ses in all pa ti ents. Me an par kin so ni an di sa bi lity, as as sessed by the Uni fi ed Par kin son's Di se a se Ra ting Sca le (UPDRS) and Ho ehn and Yahr Sta ge sca les, re ma i ned unc han ged thro ug ho ut the study in the gro up as a who le. C Co on nc c l lu u s si i o on n: : Alt ho ugh these pre li mi nary re sults ne ed to be con fir med in lar ge pla ce bo-con trol led tri als, the re sults of the pre sent study sug gest that ser tra li ne do es not wor sen mo tor per for man ce and may be use ful in the tre at ment of dep res si on in PD.K Ke ey y W Wo or rd ds s: : Dep res si on; par kin son di se a se; se ro to nin; ser tra li ne Ö ÖZ ZE ET T A Am ma aç ç: : Bu ça lış ma da, mo tor osi las yon la rı ol ma yan par kin son lu has ta la rın dep res yon te davi sin de ser tra li nin et kin li ği ni ve gü ve ni lir li ği ni araş tır dık. Di ğer an ti dep re san la ra go re ser tra linin far ma ko ki ne tik ola rak ilaç et ki le şim po tan si ye li da ha dü şük tür. Bu ne den le ser tra lin özel lik le yaş lı lar da uy gun bir to le ra bi li te pro fi li sağ la mak ta dır. G Ge e r re eç ç v ve e Y Yö ön n t te em m l le er r: : Se kiz haf ta lık bu açık ça lış ma ya Par kin son has ta lı ğı olan ve DSM-IV kri ter le ri ne gö re ma jor dep res yon teş hi si ko nu lan 16 has ta da hil edil di. Ça lış ma bo yun ca has ta la rın al dı ğı an ti-par kin son ilaç la rı de ğiş ti ril me di. Baş lan gıç ser tra lin do zu ilk haf ta bo yun ca 25 mg, da ha son ra her sa bah 50 mg ola cak şekil de veril di. Has ta lar da ki dep res yo nu de ğer len dir mek üze re Beck Dep res yon En van te ri (BDI) ve Hamil ton Dep res yon Öl çe ği (HAM-D), par kin so nu de ğer len dir mek üze re de Bir le şik Par kin son...