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Relationship between fragmented QRS complex and early left ventricular dysfunction after mitral valve repair
Relationship between fragmented QRS complex and early left ventricular dysfunction after mitral valve repair
Mitral regurgitation (MR) caused by mitral valve prolapse (MVP) is a common clinical condition that affects approximately ...
Spotting myocardial ischemia on a smartwatch
Spotting myocardial ischemia on a smartwatch
KeywordsAcute myocardial ischemiaAcute coronary syndromesSTEMISmartwatchWearable deviceAbbreviationsACSAcute Coronary Synd...
Different degrees of anterior displacement of QRS complex
Different degrees of anterior displacement of QRS complex
Cookies are used by this site. Cookie SettingsAll content on this site: Copyright © 2024 Elsevier B.V., its licensors, an...
The effect of anabolic androgenic steroids on heart rate recovery index and electrocardiographic parameters in male bodybuilders
The effect of anabolic androgenic steroids on heart rate recovery index and electrocardiographic parameters in male bodybuilders
The control of the cardiovascular system depends on the autonomic nervous system. Heart rate (HR) is primarily controlled ...
Electrocardiographic predictors of response to sacubitril/valsartan therapy in heart failure with reduced ejection fraction
Electrocardiographic predictors of response to sacubitril/valsartan therapy in heart failure with reduced ejection fraction
KeywordsHeart failure with reduced ejection fractionSacubitril/valsartanElectrocardiographyReverse cardiac remodelingAbbre...
Factors associated with prolonged QTc interval in Iranian population: MASHAD cohort study
Factors associated with prolonged QTc interval in Iranian population: MASHAD cohort study
The QT interval of the electrocardiogram (ECG) represents the depolarization and repolarization of myocardial cells. Due t...
Deep terminal negative of the P wave in V1 and incidence of ischemic stroke: The atherosclerosis risk in communities (ARIC) study
Deep terminal negative of the P wave in V1 and incidence of ischemic stroke: The atherosclerosis risk in communities (ARIC) study
Volume 84, May–June 2024, Pages 123-128Author links open overlay panel, , , , , , , Highlights•Deep terminal negative of t...
Relationship between ultra-short heart rate variability and short-term mortality in hospitalized COVID-19 patients
Relationship between ultra-short heart rate variability and short-term mortality in hospitalized COVID-19 patients
ObjectiveTo assess the association between ultra-short heart rate variability (US-HRV) and short-term mortality in patient...
Which indices of heart rate variability are the best predictors of mortality after acute myocardial infarction? Meta-analysis of observational studies
Which indices of heart rate variability are the best predictors of mortality after acute myocardial infarction? Meta-analysis of observational studies
BackgroundCardiovascular disease is the first cause of death globally with myocardial infarction as the main event. Heart ...
A novel RyR2 mutation associated with co-morbid catecholaminergic polymorphic ventricular tachycardia (CPVT) and benign epilepsy with centrotemporal spikes (BECTS)
A novel RyR2 mutation associated with co-morbid catecholaminergic polymorphic ventricular tachycardia (CPVT) and benign epilepsy with centrotemporal spikes (BECTS)
The Ryanodine Receptor 2 (RyR2) gene, located on chromosome 1q43, encodes the RyR2 protein. This protein, predominantly fo...
Effect of pacing site on P wave parameters: Within-patient comparison of right atrial appendage and Bachmann's bundle
Effect of pacing site on P wave parameters: Within-patient comparison of right atrial appendage and Bachmann's bundle
Historically, the right atrial appendage (RAA) has been the conventional site for atrial lead placement. This was due to t...
Electronic ventricular pacing at the end of the QRS complex: Is it abnormal?
Electronic ventricular pacing at the end of the QRS complex: Is it abnormal?
Please find attached our case report entitled, “Electronic ventricular pacing at the end of the QRS complex: Is it abnorma...
Ventricular injury in acute left circumflex occlusion: Exploration using precordial bipolar leads and regional vectorcardiograms
Ventricular injury in acute left circumflex occlusion: Exploration using precordial bipolar leads and regional vectorcardiograms
We have developed a method that allows us to derive numerous bipolar and unipolar electrocardiographic leads from traditio...
Response to “Letter to editor: Right Fascicles: A call for empirical evidence”
Response to “Letter to editor: Right Fascicles: A call for empirical evidence”
Cookies are used by this site. Cookie SettingsAll content on this site: Copyright © 2024 Elsevier B.V., its licensors, an...
Dynamic “spiked helmet sign”: Further evidence for prolonged QT
Dynamic “spiked helmet sign”: Further evidence for prolonged QT
Cookies are used by this site. Cookie SettingsAll content on this site: Copyright © 2024 Elsevier B.V., its licensors, an...
What are those intermittent “S” waves?
What are those intermittent “S” waves?
Cookies are used by this site. Cookie SettingsAll content on this site: Copyright © 2024 Elsevier B.V., its licensors, an...
Pseudo precordial ST-segment depression
Pseudo precordial ST-segment depression
Cookies are used by this site. Cookie SettingsAll content on this site: Copyright © 2024 Elsevier B.V., its licensors, an...
Impact of ECG data format on the performance of machine learning models for the prediction of myocardial infarction
Impact of ECG data format on the performance of machine learning models for the prediction of myocardial infarction
Background We aim to determine which electrocardiogram (ECG) data format is optimal for ML modelling, in the context of my...
Feasibility and validity of using deep learning to reconstruct 12-lead ECG from three‑lead signals
Feasibility and validity of using deep learning to reconstruct 12-lead ECG from three‑lead signals
With the intensification of population aging, cardiovascular diseases (CVDs) have become a concern for people [1]. The dev...
Tall R waves across the precordial leads
Tall R waves across the precordial leads
The ECG shows a normal sinus rhythm, a normal axis, a normal P wave, and a prominent R wave in V1-V3. QRS is normal in V4-...
An unusual presentation of low QRS voltage in a patient with aortic aneurysm
An unusual presentation of low QRS voltage in a patient with aortic aneurysm
Low QRS voltage on surface electrocardiogram (ECG) is traditionally defined as a QRS amplitude less than 0.5 mV in all fro...
Atypical Wenckebach without grouped beating due to dual AV nodal conduction
Atypical Wenckebach without grouped beating due to dual AV nodal conduction
Available online 6 December 2023Author links open overlay panel, , AbstractA 31-year-old woman reported dizziness in the e...
Case of a misleading ECG
Case of a misleading ECG
Available online 2 December 2023Author links open overlay panel, , AbstractAn elderly man with severe Chronic Obstructive ...
Saliency maps provide insights into artificial intelligence-based electrocardiography models for detecting hypertrophic cardiomyopathy
Saliency maps provide insights into artificial intelligence-based electrocardiography models for detecting hypertrophic cardiomyopathy
Volume 81, November–December 2023, Pages 286-291Author links open overlay panel, , , , , , , AbstractIntroductionA 12‑lead...
Paradoxical interatrial conduction recovery after cavotricuspid isthmus ablation: A case report
Paradoxical interatrial conduction recovery after cavotricuspid isthmus ablation: A case report
Interatrial block (IAB) is the result of delayed conduction of the sinus impulse from right to left atrium, and is usually...
Association between excess catecholamine synthesis and polymorphic premature ventricular contraction
Association between excess catecholamine synthesis and polymorphic premature ventricular contraction
Premature ventricular contraction (PVC) is very commonly seen in healthy hearts, in clinical practice, in addition to the ...
Acute coronary syndrome with single‑lead ST segment elevation: A rare presentation of multivessel coronary artery disease
Acute coronary syndrome with single‑lead ST segment elevation: A rare presentation of multivessel coronary artery disease
Giovanni Goffredo: Writing – original draft, Supervision, Validation, Visualization. Michele Correale: Writing – original ...
ECG patterns to predict pulmonary arterial hypertension in patients with severe tricuspid regurgitation
ECG patterns to predict pulmonary arterial hypertension in patients with severe tricuspid regurgitation
Tricuspid valve regurgitation (TR) of moderate or high severity affects approximately 0.55% of the general population [1]....
Prior electrocardiograms not useful for machine learning predictions of major adverse cardiac events in emergency department chest pain patients
Prior electrocardiograms not useful for machine learning predictions of major adverse cardiac events in emergency department chest pain patients
KeywordsMachine learningNeural networksEmergency departmentChest painMajor adverse cardiac eventElectrocardiogramsData ava...
Electrocardiographic Z-axis QRS-T voltage-time-integral in patients with typical right bundle branch block – Correlation with echocardiographic right ventricular size and function
Electrocardiographic Z-axis QRS-T voltage-time-integral in patients with typical right bundle branch block – Correlation with echocardiographic right ventricular size and function
Right bundle branch block: Anatomically, the right bundle branches off the common atrioventricular bundle (bundle of His) ...
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