Fig. 2

Study flow diagram. COVID-19 patients, who have an elevated troponin, will be invited to participate in the study. Patients who are recruited undergo multimodality assessment at index visit: either during their hospital admission or within 28 days of discharge. Assessment includes a 12-lead ECG, CMR study, genetic and immunological blood tests, and Quality of Life questionnaires. Patients are subsequently invited for a second visit at 6 months. At this point they undergo a repeat CMR scan, quality of life assessments and 6-min walk test. Further follow up at 12 months will be conducted via examination of routine clinical data, available through general practitioners, electronic hospital records, NICOR and NHS Digital, and in collaboration with other nationally recognised COVID-19 studies