Welcome to PsychEd, the psychiatry podcast for medical learners, by medical learners. This episode covers Clinical High Risk for Psychosis with Dr. Thomas Raedler, Psychiatrist and associate professor at the University of Calgary and one of the authors of the Canadian Treatment Guidelines for Individuals at Clinical High Risk of Psychosis.   The learning objectives for this episode are as follows: By the end of this episode, you should be able to…   Recognize a patient who may be clinically high-risk for psychosis and provide a differential diagnosis  Understand the importance, utility and prognosis of these risk categories  Have an approach to initial management and the array of treatment options for a patient with    Hosts: Dr. Luke Fraccaro (PGY-2), Dr. Rebecca Marsh (PGY-1), Dr. Alex Raben Episode lead: Dr. Luke Fraccaro Audio-engineered by: Dr. Rebecca Marsh Guest experts: Dr. Thomas Raedler Show Notes by: Dr. Luke Fraccaro   Resources:   Addington, J., Francey, S., Morrison, A.  (2006). Working with People at High Risk of Developing Psychosis: A Treatment Handbook  McGlashan, T., Walsh, B., & Woods, S. (2010). The psychosis-risk syndrome: handbook for diagnosis and follow-up. Oxford University Press.   References : Addington, J., Addington, D., Abidi, S., Raedler, T., & Remington, G. (2017). Canadian treatment guidelines for individuals at clinical high risk of psychosis. The Canadian Journal of Psychiatry, 62(9), 656-661. Addington, J., Cornblatt, B. A., Cadenhead, K. S., Cannon, T. D., McGlashan, T. H., Perkins, D. O., ... & Heinssen, R. (2011). At clinical high risk for psychosis: outcome for nonconverters. American Journal of Psychiatry, 168(8), 800-805. Addington, J., & Heinssen, R. (2012). Prediction and prevention of psychosis in youth at clinical high risk. Annual review of clinical psychology, 8, 269–289.  Carrión, R. E., McLaughlin, D., Goldberg, T. E., Auther, A. M., Olsen, R. H., Olvet, D. M., Correll, C. U., & Cornblatt, B. A. (2013). Prediction of functional outcome in individuals at clinical high risk for psychosis. JAMA psychiatry, 70(11), 1133–1142. https://doi.org/10.1001/jamapsychiatry.2013.1909 Fusar-Poli, P., Bonoldi, I., Yung, A. R., Borgwardt, S., Kempton, M. J., Valmaggia, L., Barale, F., Caverzasi, E., & McGuire, P. (2012). Predicting psychosis: meta-analysis of transition outcomes in individuals at high clinical risk. Archives of general psychiatry, 69(3), 220–229.  Fusar-Poli P, Salazar de Pablo G, Correll CU, et al. Prevention of Psychosis: Advances in Detection, Prognosis, and Intervention. JAMA Psychiatry. 2020;77(7):755–765. doi:10.1001/jamapsychiatry.2019.4779 Fusar-Poli, P., Schultze-Lutter, F., Cappucciati, M., Rutigliano, G., Bonoldi, I., Stahl, D., Borgwardt, S., Riecher-Rössler, A., Addington, J., Perkins, D. O., Woods, S. W., McGlashan, T., Lee, J., Klosterkötter, J., Yung, A. R., & McGuire, P. (2016). The Dark Side of the Moon: Meta-analytical Impact of Recruitment Strategies on Risk Enrichment in the Clinical High Risk State for Psychosis. Schizophrenia bulletin, 42(3), 732–743.  Kuharic, D. B., Kekin, I., Hew, J., Kuzman, M. R., & Puljak, L. (2019). Interventions for prodromal stage of psychosis. Cochrane Database of Systematic Reviews, (11). Nelson, B., Amminger, G. P., Bechdolf, A., French, P., Malla, A., Morrison, A. P., ... & Wood, S. J. (2020). Evidence for preventive treatments in young patients at clinical high risk of psychosis: the need for context. The lancet. Psychiatry, 7(5), 378. Schmidt, S. J., Schultze-Lutter, F., Schimmelmann, B. G., Maric, N. P., Salokangas, R. K. R., Riecher-Rössler, A., ... & Morrison, A. (2015). EPA guidance on the early intervention in clinical high risk states of psychoses. European psychiatry, 30(3), 388-404. Yung, A. R., Yung, A. R., Pan Yuen, H., Mcgorry, P. D., Phillips, L. J., Kelly, D., ... & Buckby, J. (2005). Mapping the onset of psychosis: the comprehensive