en اورژانس Emergency پژوهشي Research <div style="text-align: justify;"><span style="font-size:14px;"><span style="font-family:Tahoma;"><span style="line-height:2;"><strong>Background</strong>: Mental workload (MW) and occupational fatigue (OF) are among the harmful factors in the working environment of the emergency nursing profession, which can be related to the quality of care provided and job stress (JS) in emergency nurses. Accordingly, this study investigates the relationship between MW, MF and JS in emergency nurses in 2023 in Ardabil, Iran.<br> <strong>Materials and Methods</strong>: This cross-sectional study was conducted by measuring OF, JS and MW of emergency nurses in hospitals of Ardabil Province, Iran. Information was collected through a checklist that recorded the demographic information in addition to the NASA task load index, JS by Orly and Giordano and the Swedish OF inventory questionnaires. The statistical analysis was conducted by the SPSS software, version 22.<br> <strong>Results</strong>: The mean mental state of the participants was 16.7&plusmn;3.6. Meanwhile, 40% of nurses had a high mental load. The mean condition of the OF was high (49.02&plusmn;4.2; 23.2%). Regarding JS, 45.5%, 25.9% and 28.6% were the high, medium, and low levels, respectively. A direct and significant relationship was detected between MW, JS and OF (P<0.05).<br> <strong>Conclusion</strong>: The mean MW, JS and OF among emergency nurses were high. Almost half and about a quarter of the emergency nurses are under JS and OF, respectively. Therefore, to improve emergency nurses&rsquo; health conations, and productivity, and create safe conditions in emergencies, the control and management of this harmful occupational factor should be under continuous monitoring.</span></span></span></div> Mental workload (MW), Occupational fatigue (OF), Job stress (JS), Nurse, Emergency 295 302 http://hdq.uswr.ac.ir/browse.php?a_code=A-10-527-2&slc_lang=en&sid=1 Negin Fathi neginfathi938@gmail.com 0009-0004-8990-925X No Students Research Committee, Faculty of Health, Ardabil University of Medical Sciences, Ardabil, Iran. Ali Askari revar.askari86@gmail.com 0000-0003-4308-8455 No Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran. Robab Hossinpour 0000-0002-3941-1224 No Students Research Committee, Faculty of Health, Ardabil University of Medical Sciences, Ardabil, Iran. Amin Babaei Pouya karchani62@yahoo.com 0000-0001-6062-4067 No Department of Occupational Health Engineering, Faculty of Health, Ardabil University of Medical Sciences, Ardabil, Iran. Amir Raza Salehi karchany@yahoo.com No Clinical Research Development Center, Pastor Educational Hospital, Bam University of Medical Sciences, Bam, Iran. Abbas Ghodrati Torbati sepino598@gmail.com 0000-0003-3686-5412 No Department of Nursing, School of Nursing and Midwifery, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran. Malihe Kabusi habibkavari@gmail.com 0000-0003-1755-3827 No Department of Geriatric Nursing, Faculty of Nursing and Midwifery, Golestan University of Medical Sciences, Gorgan, Iran. Zahra Khezerlou karchanym@gmail.com 0000-0002-8893-5251 No Department of Nursing, School of Nursing and Midwifery, Urmia University of Medical Sciences, Urmia, Iran. Negin Kassiri neginkassiri@gmail.com 0000-0001-6584-8270 No Occupational Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran. Maliheh Eshaghzadeh m.eshaghzadeh93@gmail.com 0000-0003-0470-8404 No Department of Nursing, School of Nursing and Midwifery, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran. Ali Salehi Sahlabadi asalehi529@gmail.com 0000-0002-9675-7344 No Department of Occupational Health and Safety at Work, Safety Promotion and Injury Prevention Research Center, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Mohsen Poursadeghiyan alirezakhammar11@gmail.com 0000-0003-3606-7613 No Department of Occupational Health Engineering, Faculty of Health, Ardabil University of Medical Sciences, Ardabil, Iran. Javad Vatani poursadeghiyan@gmail.com 0000-0002-7234-4991 Yes Department of Occupational Health Engineering, Guilan Road Trauma Research Center, Faculty of Health, Guilan University of Medical Sciences, Rasht, Iran.