Referral pathway and journey of patients with infective endocarditis Referral pathway and journey of patients with infective endocarditis. A&E, accident and emergency; MDT, multidisciplinary team; SPECT, single photon emission CT; TOE, transoesophageal echocardiogram; TTE, transthoracic echocardiogram. Referral pathway and journey of patients with infective endocarditis. A&E, accident and emergency; MDT, multidisciplinary team; SPECT, single photon emission CT; TOE, transoesophageal echocardiogram; TTE, transthoracic echocardiogram. Amit Kaura et al. Open Heart 2017;4:e000699 ©2017 by British Cardiovascular Society