BackgroundCardiovascular magnetic resonance (CMR) is commonly used in patients with suspected arrhythmogenic right ventricular cardiomyopathy (ARVC) based on ECG, echocardiogram and Holter. However, various diseases may present with clinical characteristics resembling ARVC causing diagnostic dilemmas. The aim of this study was to explore the role of CMR in the differential diagnosis of patients with suspected ARVC.Methods657 CMR referrals suspicious for ARVC in a single tertiary referral centre were analysed. Standardized CMR imaging protocols for ARVC were performed. Potential ARVC mimics were grouped into: 1) displacement of the heart, 2) right ventricular overload, and 3) non ARVC-like cardiac scarring. For each, a judgment of clinical impact was made.ResultsTwenty patients (3.0%) fulfilled imaging ARVC criteria. Thirty (4.6%) had a potential ARVC mimic, of which 25 (3.8%) were considered clinically important: cardiac displacement (n=17), RV overload (n=7) and non-ARVC like myocardial scarring (n=4). One patient had two mimics; one patient had dual pathology with important mimic and ARVC. RV overload and scarring conditions were always thought clinically important whilst the importance of cardiac displacement depended on the degree of displacement from severe (partial absence of pericardium) to epiphenomenon (minor kyphoscoliosis).ConclusionsSome patients referred for CMR with suspected ARVC fulfil ARVC imaging criteria (3%) but more have otherwise unrecognised diseases (4.6%) mimicking potentially ARVC. Clinical assessment should reflect this, emphasising the assessment and/or exclusion of potential mimics in parallel with the detection of ARVC major and minor criteria.
Acute cardiac events in predominantly low-risk stable angina patients with confirmed coronary disease are unpredictable, and those more likely to suffer such an event cannot be identified by the detection of ambulatory ischemia. Acute nonfatal cardiac events result predominantly from the development of significant new coronary lesions, not initially severe enough to cause ischemia. Patients categorized as high risk for long-term medical therapy have an increased rate of cardiac events (mainly revascularization) when compared with low-risk patients.
Purpose The Objective Structured Clinical Examination (OSCE) is a standard academic assessment tool in the field of medical education. This study presents an innovative method for digitizing OSCE evaluation system for medical students and explores its efficacy compared to the traditional paper-based system, through the analysis of a User Satisfaction Survey. Methods A cross-sectional, questionnaire-based study involving a User Satisfaction Survey to evaluate assessors’ attitudes toward and acceptance of the Computerized Web-based OSCE Evaluation System (COES) was used. Fifth-year medical students at a College of Medicine were assessed clinically through their 2019 end-of-year OSCE examination by 30 examiners in five different OSCE stations. The traditional paper-based stations were converted into an online electronic version using QuestionPro software. Answers were filled in using smart tablets (iPads). QR codes were used for students’ identification at each station to fully digitize the process and save time. After the completion of the exam, a User Satisfaction Survey was sent electronically to all examiners to evaluate their experiences with the new system. Results The response rate for the survey was 100% with an internal consistency of 0.83. Almost all the examiners (29, 97%) were satisfied with the application of the COES. Further, 72% of the examiners indicated that the electronic system facilitated the evaluation of the students’ skills, and 84% found using a smart device (iPad) was easier than using a paper form. All examiners expressed their preference for using the electronic system in the future. Conclusion Users were satisfied with the utilization of the customized COES. This concept of fully digitizing the OSCE assessment process shortened the time needed for both the analysis of results and providing students with feedback. Further observational studies are needed to assess examiners’ behaviors when using this methodology.
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