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Abstract Background The conventional 12-lead ECG has poor sensitivity for detection of coronary artery disease and left ventricular hypertrophy, as well as low positive predictive value for prediction of left ventricular systolic dysfunction in children and adolescents. We hypothesized that a 5-min resting 12-lead advanced ECG test that combined findings from both the new and conventional ECG would be more helpful in screening for these conditions than strictly conventional ECG. Compared to optimized pooled criteria from the strictly conventional ECG, a 7-parameter A-ECG score in the training set boosted the sensitivity of resting ECG for diagnosing disease in the test range from 78% to 94%, while also increasing specificity from 85% to 94%. Another 5-parameter A-ECG score in diseased patients raised the PPV of ECG for LVSD from 53% to 92% without losing the integrity of the negative predictive value.
Source link: https://doi.org/10.1186/1471-2261-10-28
Early detection and early detection of myocardial infarction can prevent ischemic heart disease progression and greatly reduce the chance of sudden death. We first divide the standard 12-lead ECG charts into sliding windows with the same number of heartbeats. We do not use any heartbeat tags to train the Bi-LSTM network, and the heartbeat-attention system is used to explicitly measure the difference between unlabeled heartbeats. In the Physikalisch-Technische Bundesanstalt diagnostic ECG database, our method is tested by patients#8217; complete ECG data; and real labels.
Source link: https://doi.org/10.3390/app9163328
The aim: To postulate a fast and simple way to determine the mass of viable myocardium in patients with acute chest pain in the emergency department. If a patient suffers a myocardial infarction and the myocardium loses its viability, the area under the QRS complex was reduced. Results: Quantification of the mass of viable myocardium is carried out by incorporating the QRS complex of the ECG to gain the area under the QRS complex.
Source link: https://doi.org/10.1016/S2221-6189(14)60065-2
The Alivecor Kardia Mobile device is a handheld health device that provides a single lead ECG trace with an FDA-approved method for adult detection of atrial fibrillation. OBJECTIVE: The purpose of this research is to determine the fidelity of interval measurements on KM tracings by directly comparing to standard 12-lead ECGs in pediatric patients. METHODS: This single center, prospective study, divided pediatric outpatients, age 18 years presenting for cardiology clinic visits, into three age groups based on age: 0-5 years, 6-10 years, and 11-18 years. There were 9 patients with a QTc level > 20 meters with 4/9 having a conduction disorder and 2/9 with apparent sinus arrhythmia. CONCLUSION: The Alivecor Kardia device creates detailed single lead ECG tracings in both healthy children and children with cardiac disease or rhythm abnormalities across the pediatric spectrum. This mHealth application provides an effective, non-invasive, real-time method for ambulatory ECG monitoring in children and teens.
Source link: https://doi.org/10.1371/journal.pone.0204403
AIMS: To optimize patient selection, in implantable cardioverter-defibrillator patients, predictors of ICD shocks and mortality are required. We wanted to investigate the connection between T-wave loop area and circularity with ICD shocks. METHODS: The report looked at patients with ICDs implanted between 1998 and 2010 for whom digital 12-lead ECGs of acceptable quality were obtained within 1 month prior to transplantation. Many with smaller T-wave loop area received fewer shocks, while those with larger T-wave loop circularity representing a rounder T wave loop received more shocks. TLA and TLC values were both higher in the quartile and TLC samples, respectively, when compared to the others, despite multivariate adjustment for clinical variables. CONCLUSIONS: The size and shape of the T-wave loop calculated from pre-implantation 12-lead ECGs are associated with appropriate ICD shocks, according to CONCLUSIONS.
Source link: https://doi.org/10.1371/journal.pone.0173868
SanketLife is a low-cost, portable, pocket-size 12 lead ECG mechanized by SanketLife's SanketLife app, which connects wirelessly via Bluetooth technology to the device. Objective: The current study was done to determine SanketLife ECG's diagnostic accuracy in comparison to standard 12 lead ECG in cardiovascular disease detection. This was a prospective diagnostic test accuracy study carried out in outpatient settings of a tertiary cardiac care center in India's outpatient settings.
Source link: https://doi.org/10.1016/j.ipej.2019.12.011
Background Paper With senior cardiologists' support for emergency telecardiology, due to the inherent inconsistency of 12-lead ECG units and medical specialists' interpretation skills, it is impossible to produce fast and detailed 12-lead ECG reports. Methods We build a new cloud and pervasive computation based 12-lead Electrocardiography kit to enable universal 12-lead ECG telediagnosis. This cloud-based ECG consultation service extends the standard 12-lead ECG services to the collaboration of clinicians at various locations or among hospitals. In short, this service can greatly raise medical service quality and effectiveness, particularly for patients in rural areas.
Source link: https://doi.org/10.1186/1472-6947-12-77
Analyzing biomedical data is a difficult process that necessitates specialist knowledge. The growth of knowledge and technology in the field of deep machine learning provides a way to explore and transfer human knowledge to the computer. Electrocardiography is a noninvasive way to determine the electrical activity of the heart in a noninvasive manner, using electrodes attached to the skin's surface. Regardless of the lead, the developed model produced a set of parameters indicating high success in extracting key elements of ECG signal extraction, such as P and T-waves and QRS complex.
Source link: https://doi.org/10.3390/app12073332
The aim was to determine if a premature atrial contraction found on a 12-lead ECG would cause atrial fibrillation and mortality, and whether a premature ventricular contraction would lead to heart arrest and mortality. Multivariable measurements revealed that a baseline 12lead ECG premature atrial contraction increased the risk of atrial fibrillation and a premature heart failure by 60 percent, as well as a 30% increased risk of heart failure. None of the incident myocardial infarction nor predicted was determined in the negative control results. A premature atrial contraction was associated with a 30 percent risk of death, and a late ventricular contraction was correlated with a 20 percent risk of death. Conclusions based on a single measure, a premature atrial contraction predicted event fibrillation and death, and a premature ventricular contraction that forecast incident heart failure and death, this commonly used test can determine future disease.
Source link: https://doi.org/10.1161/JAHA.117.006028
Entire lead systems could aid in the diagnosis of culprit left circumflex stenosis with myocardial infarction. Methods and findings are mixed; a retrospective review of a hospital research registry involving consecutive patients with ischemic type chest pain at rest; 12th ECG and 80 percent leadad BSPM at first medical contact; and cardiac troponin T 12 hours after symptoms onset and/or creatine kinase MB fraction were carried out. Acute myocardial infarction AMI was described as cardiovascular troponin T (0. 05 g/L and/or creatine kinase MB fraction > 2 upper limits of normal. STE was most commonly detected in the posterior, lateral, inferior, and right ventricular territories of those with BSPM STE and AMI. Conclusions : STEP elevation beyond the 12 lines of the 12th ECG is shown in this case by patients with a 12-lead ECG non-elevation myocardial infarction and a perpetrator left circumflex stenosis.
Source link: https://doi.org/10.1161/JAHA.118.011029
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