Anaesthesia and Intensive Care Medicine specialist since 2012. Diplomate of the European Society of Anaesthesia (DESA), title obtained after the examination for the European Diploma in Anaesthesia and Intensive Care in 2015 (EDAIC). Researcher in the domain of Allergoanaesthesia within a multidisciplinary team comprising anaesthesiologists, allergologists and immunologists.
Has obtained a diploma for university and postgraduate teaching from Babeş-Bolyai University Cluj. University teaching assistant since 2011 and lecturer from 2016- Discipline ATI II.

Courses and clinical activity Medical First Aid 1st year students from General medicine, Dental medicine, Medical profile, Nurses (Romanian and English sections).
Courses and clinical activity 6th year students Anaesthesia and Intensive Care (Romanian and English sections)
Courses and clinical activity Postoperative rehabilitation 3rd year students from Physical therapy
Licence thesis coordination
Elaborated courses and other study materials for students
Didactic activities for medical residents from several specialities: Anaesthesia and Intensive Care, Emergency medicine, Cardiology, Gastroenterology, Pneumology, Infectious diseases.

Areas of interest
Clinical and preclinical research, perianaesthetic anaphylaxis- allergic inflammation, sepsis-associated inflammation, perioperative transfusion practices, transfusion in the critically ill, organ support in intensive care, regional anaesthesia, medical education for anaesthesia and intensive care.
Most important published papers

1. Hagau N, Bologa RO, Indrei CL, Longrois D, Dirzu DS, Gherman-Ionica N. Maximum non-reactive concentration of midazolam and ketamine for skin testing study in non-allergic healthy volunteers. Anaesth Intensive Care. 2010;38(3):513-8.
2. Hagău N, Longrois D, Petrișor C. Threshold for Positivity and Optimal Dipyrone Concentration in Flow-Assisted Basophil Activation Test. Allergy Asthma Immunol Res. 2013;5(6):383-388.
3. Hagau N, Gherman-Ionica N, Sfichi M, Petrișor C. Threshold for basophil activation test positivity in neuromuscular blocking agents hypersensitivity reactions. Allergy, Asthma & Clinical Immunology 2013;9:42.
4. Petrișor C, Gherman-Ionică N, Bologa R, Sfichi M, Hagău N. Basophil activation test versus radio-immunoassay in the diagnosis of β-lactam immediate-type hypersensitivity reactions. Romanian Review of Laboratory Medicine 2013; 21(4):415-422.
5. Petrișor C, Brezoski E, Gherman-Ionică N, Sfichi M, Hagău N. In vitro tests versus skin tests and a positive history of neuromuscular blocking agents-induced immediate-type hypersensitivity reactions. J Rom Anest Terap Int 2014;21(1):13-18.
6. Petrișor C, Sfichi M, Gherman N, Bologa R, Hagău N. Elevated Total Serum IgE Alter the Diagnostic Performance of Radio-Immune Assays for β-Lactam Specific Antibody Dosing. Clinical Laboratory 2015;61:149-154.
7. Petrișor C, Gherman N, Sfichi M, Cociș M, Hagău N. Immediate-type hypersensitivity to atracurium: use of the stimulation index as the optimal positivity threshold for the flow-assisted basophil activation test. J Investig Allergol Clin Immunol 2015;25(5):372-373.
8. Trancă S, Petrișor C, Slavcovici A, Mărginean M, Hagău N. Early serum procalcitonin, but not C reactive protein, might improve the prediction of sepsis in multiple trauma patients. A prospective observational study. Romanian Review of Laboratory Medicine 2015;23(3):347-350.
9. Hagău N, Gherman N, Cociș M, Petrișor C. Antibiotic-induced immediate type hypersensitivity is a risk factor for positive allergy skin tests for neuromuscular blocking agents. Allergology International 2016;65:52-55.,
10. Cristina Petrișor. Hemoragia și Transfuzia de Sânge în Practica Chirurgicală, în Tratat de chirurgie Ed. II, sub redacția Irinel Popescu, Constantin Ciuce. Editura Academiei Române București, 2015.