Chronic Traumatic Aortoventricular Fistula Following a Stab Injury: A Case ReportUbaid Ullah1, Sultan Zaib 2, Malik WZ Khan 3, Hammad Iftikhar 1, Aamir Iqbal 4, Abdul Nasir 4, Umar Farooq5, Alishba Hameed 1, Jibran Ikram61 Khyber Medical College, Peshawar, KPK, Pakistan. Ubaidullahkmc@gmail.com, Hammadiftikhar4321@gmail.com, alishbahameed696@gmail.com2 Rehman Medical College, Peshawar, KPK, Pakistan. Sultanzaib14755@gmail.com3 Yale University School of Medicine, New Haven, CT, USA. Malik.khan@yale.edu4 Peshawar Institute of Cardiology, Peshawar, KPK, Pakistan. aamirhealthonline@gmail.com, dranasir@gmail.com5 Saidu Group of Teaching Hospital, Swat, KPK, Pakistan. Umarfarooqtulip@gmail.com6 Cleveland Clinic Foundation, Ohio, USA. ikramj@ccf.org