Machine Learning in Electrocardiography and Echocardiography: Technological Advances in Clinical Cardiology

AbstractPurpose of ReviewElectrocardiography (ECG) and echocardiography are the most widely used diagnostic tools in clinical cardiology. This review focuses on recent advancements in applying machine learning (ML) in ECG and echocardiography and potential synergistic ML integration of ECG and echocardiography.Recent FindingsML algorithms have been used in ECG for technical quality assurance, arrhythmia identification, and prognostic predictions, and in echocardiography to recognize image views, quantify measurements, and identify pathologic patterns. Synergistic application of ML in ECG and echocardiograph has demonstrated the potential to optimize therapeutic response, improve risk stratification, and generate new disease classification. There is mounting evidence that ML potentially outperforms in disease diagnoses and outcome prediction with ECG and echocardiography when compared with trained healthcare professionals.SummaryThe applications of ML in ECG and echocardiography are playing increasingly greater roles in medical research and clinical practice, particularly for their contributions to developing novel diagnostic/prognostic prediction models. The automation in data acquisition, processing, and interpretation help streamline the workflows of ECG and echocardiography in contemporary cardiology practice.
Source: Current Cardiology Reports - Category: Cardiology Source Type: research

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We report the case of a 58-year-old woman presenting with recurrent episodes of constrictive chest pain during exercise within the last 2 weeks. Except for obesity, general and cardiovascular clinical examination on admission were normal. Diagnoses: The resting 12 lead electrocardiogram (ECG) revealed changes typically for Wellens syndrome. High-sensitive cardiac troponin I was normal. We established the diagnosis of low-risk non-ST-segment elevation acute coronary syndrome with a Global Registry of Acute Coronary Events risk score of 92 points. Interventions: The patient underwent coronary angiography, who showed su...
Source: Medicine - Category: Internal Medicine Tags: Research Article: Clinical Case Report Source Type: research
 This ECG was texted to me with the question" Wellens'? "The computer read was: Atrial Fibrillation, marked ST Elevation. ***Acute MI***The QT interval is short (377 ms, QTc = 399 ms)This is NOT atrial fibrillation: There is sinus arrhythmia with an accelerated junctional rhythm that competes with the sinus node and results in some AV dissociation (no AV block!).  This is completely benign.I responded: This STE with T-wave inversion looks like a normal variant for an African American.  I would check the troponin, but I do not think it is pathologic.Here is the history: The patient wa...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Hydroxychloroquine (HQ) has been used for the treatment of novel coronavirus disease (COVID-19) even though there is no clear evidence for its effectiveness yet. In contrary, HQ has major side effects like QTc prolongation and subsequent development of ventricular arrhythmias. Such side effects may possess additional risks on end-stage renal disease (ESRD) patients who have higher cardiovascular risks than general population. We herein present 2 cases of sudden cardiac death in 2 ESRD patients with COVID-19 for whom a treatment regimen including HQ was preferred. Both patients were clinically stable at the time of arrest. ...
Source: Blood Purification - Category: Hematology Source Type: research
AbstractObjectivesThe cross ‐sectional study aimed to assess myocardial functions using global longitudinal strain (GLS) echocardiography and arrhythmia parameters with treatment naive newly diagnosed rheumatoid arthritis (RA) and no clinical evidence of cardiovascular disease (CVD).MethodsSeventy seven newly diagnosed treatment ‐naive RA patients were enrolled. Disease severity was evaluated according to rheumatoid factor (RF) and anti‐citrullinated protein antibodies (ACPA) positivity, and Disease Activity Score 28 C‐reactive protein (DAS28 CRP). Myocardial functions were assessed using conventional echocardiogra...
Source: International Journal of Rheumatic Diseases - Category: Rheumatology Authors: Tags: ORIGINAL ARTICLE Source Type: research
Conclusion: In HF patients with true-LBBB and LVEF ≤35% eligible for CRT, myocardial scar assessed by calculating the SSc on preimplant ECG is an independent predictor of nonresponse after multiple adjustments. Neither SSc nor fQRS is associated with overall and cardiac death, ventricular arrhythmias, or hospitalization for heart failure at a 24-month follow-up. PMID: 33014454 [PubMed]
Source: Cardiology Research and Practice - Category: Cardiology Authors: Tags: Cardiol Res Pract Source Type: research
Arrhythmogenic right ventricular cardiomyopathy, formerly called “arrhythmogenic right ventricular dysplasia,” is an under-recognized clinical entity characterized by ventricular arrhythmias and a characteristic ventricular pathology. Diagnosis is often difficult due to the nonspecific nature of the disease and the broad spectrum of phenotypic variations. Therefore, consensus diagnostic criteria have been developed which combine electrocardiographic, echocardiographic, cardiac magnetic resonance imaging and histologic criteria. In 1994, an international task force first proposed the major and minor diagnostic c...
Source: Cardiology in Review - Category: Cardiology Tags: Invited Review Articles Source Type: research
Many fields of medicine are undergoing a transformation due to the COVID-19 pandemic, as patients are kept away from clinics as much as possible. Patients are now regularly visited by their doctors over video calls, are asked to perform certain proce...
Source: Medgadget - Category: Medical Devices Authors: Tags: Cardiology Exclusive Medicine Military Medicine Pediatrics Source Type: blogs
AbstractIntroductionThe impact of atrial arrhythmias on COVID ‐19‐associated outcomes are unclear. We sought to identify prevalence, risk factors and outcomes associated with atrial arrhythmias among patients hospitalized with COVID‐19.MethodsAn observational cohort study of 1053 patients with SARS ‐CoV2 infection admitted to a quaternary care hospital and a community hospital was conducted. Data from electrocardiographic and telemetry were collected to identify atrial fibrillation (AF) or atrial flutter/tachycardia (AFL). The association between atrial arrhythmias and 30‐day mortality was assessed with multivari...
Source: Journal of Cardiovascular Electrophysiology - Category: Cardiology Authors: Tags: ORIGINAL ARTICLES Source Type: research
Authors: Shao H, Dong L, Feng Y, Wang C, Tong H Abstract BACKGROUND: Cantharidin (CTD) is a compound which have the potential to be exploited as an antitumor drug, and it has been demonstrated antitumor effects in a variety of cancers. However, the use is limited due to its severe toxicity. It has reported that it can induce fatal cardiac arrhythmias. Fortunately, we found that L-glutamine can alleviate cardiac toxicity caused by cantharidin in mice. METHODS: To investigate the protective effect of L-glutamine, we used a high dose of cantharidin in mice to create a model of cardiotoxicity. In the experimental m...
Source: BMC Pharmacology and Toxicology - Category: Drugs & Pharmacology Tags: BMC Pharmacol Toxicol Source Type: research
ConclusionThe PIVoTAL is a prospective, randomized controlled trial designed to evaluate the outcomes of PVI alone versus PVI+PWI using the cryoballoon, in patients with symptomatic persAF. We hypothesize that PVI+PWI will prove to be superior to PVI alone for prevention of AF recurrence.
Source: Journal of Interventional Cardiac Electrophysiology - Category: Cardiology Source Type: research
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