2014
DOI: 10.1590/1806-9282.60.03.012
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Abstract: Objective: Knowing the proportion the proportion of normal and abnormal electrocardiograms (ECGs) in primary care patients allows us to estimate the proportion of exams that can be analyzed by the general practitioner with minimal training in ECG interpretation, in addition to being epidemiologically relevant. The objective of this study is to assess the prevalence of normal ECGs in primary care patients. Methods: all digital ECGs analyzed by the cardiologists of Telehealth Network of Minas Gerais (TNMG) in 20… Show more

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Cited by 5 publications
(5 citation statements)
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“…The only death was recorded in a patient who had an AMI, which corroborates the good prognosis of patients with ICF described in longitudinal studies in which mortality rates are similar to that of individuals of the same age group without CD [43]. Regarding age, ECG changes that occur in the general population in primary care are associated with age and comorbidities [44]. Therefore, we should consider that in CD cohorts with elderly patients, the onset of new cardiovascular events could be expected due to the ageing process, including degenerative changes in the conduction system, or complications from other morbidities, such as SAH and atherosclerotic disease.…”
Section: Discussionsupporting
confidence: 81%
“…The only death was recorded in a patient who had an AMI, which corroborates the good prognosis of patients with ICF described in longitudinal studies in which mortality rates are similar to that of individuals of the same age group without CD [43]. Regarding age, ECG changes that occur in the general population in primary care are associated with age and comorbidities [44]. Therefore, we should consider that in CD cohorts with elderly patients, the onset of new cardiovascular events could be expected due to the ageing process, including degenerative changes in the conduction system, or complications from other morbidities, such as SAH and atherosclerotic disease.…”
Section: Discussionsupporting
confidence: 81%
“…Medical image perception training is generally the first experience that students have of interpreting medical images. A mismatch between the prevalence of abnormalities in the training and of medical images in everyday clinical practice can easily result in students being trained with a suboptimal criterion. Our study shows that a short 20‐item training session can already have an impact on this criterion …”
Section: Discussionmentioning
confidence: 99%
“…Although it might be time efficient, this emphasis on abnormal images may also give students a wrong impression about the prevalence of diseases in medical practice. In reality, many images in everyday clinical practice on a ward or in an emergency department are found to be normal or do not contain significant or relevant pathology . This mismatch between low prevalence of diseases in clinical practice and the emphasis on abnormal images during training can impact students’ performance in practice.…”
Section: Introductionmentioning
confidence: 99%
“…9 The main criterion used to determine the onset of cardiomyopathy was typical ECG abnormalities, which may overestimate the risk of progression because ECG changes can occur in the general population not infected with T. cruzi because of aging and comorbidities. 16,25,26 On the other hand, other studies that considered disease progression were based on the development of heart failure symptoms or the presence of complications associated with advanced cardiomyopathy, which reflects late disease process. 9,27,28 In addition, the higher rates of progression seen in earlier studies, which were conducted in T. cruzi -endemic areas, may have been partly due to recurrent infections with persistent exposure to T. cruzi -infected vectors.…”
Section: Discussionmentioning
confidence: 99%
“…Second, the current definition of Chagas cardiomyopathy on the basis of the presence of typical ECG changes in a T. cruzi –seropositive patient 15 is insufficient epidemiologically, because findings considered typical of Chagas disease are also prevalent in older adults without T. cruzi infection. 13,16 As such, to determine the T. cruzi –attributable incidence of cardiomyopathy, parallel and optimally blinded follow-up assessments of a group of matched seronegative controls are required.…”
mentioning
confidence: 99%