IRCT20211107052988N1 IRCT 2021-11-16 Arak University of Medical Sciences Effect of diaphragmatic breathing training on dyspnea and anxiety of patient with Covid-19. Effect of diaphragmatic breathing training on dyspnea and anxiety of patient with Covid-19. 2021-11-07 anticipated 78 Complete https://irct.ir/trial/59854 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: The patients will be divided into two groups of control and intervention with random allocation (quadruple permuted block). In this way, in each block of 4, two allocations to the intervention group and two allocations to the control group are considered And there are 6 cases in total, then the lottery is done by placement and each group that is selected, the sequence of participants (intervention and control) is determined. N/A covid-19. Intervention 1: The "intervention group" on the day of discharge will be individually trained by the researcher in diaphragmatic breathing. They will then be asked to do this exercise for 10 minutes and the relevant questionnaires will be completed before and after this period.The "intervention group" is then asked to do this exercise for 10 minutes from the morning one day after discharge for one week, once in the morning and once in the evening, and again after a week the relevant questionnaires. Will be completed and compared and analyzed. Intervention 2: Control group: The "control group" in this study will receive only routine care and will not receive diaphragmatic training. However, they will complete the questionnaires 3 times together with the intervention group and will finally be compared and analyzed. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information.