Cardiology
ECG Abnormalities — Didactic Med
ECG Abnormalities — Spot, Read, Manage
Open toolClinicLens specialt
92 items automatically indexed in this specialt.
← Back to all specialtiesCardiology
ECG Abnormalities — Spot, Read, Manage
Open toolCardiology
This study aimed to investigate whether genetic variability, assessed through polygenic risk scores (PRSs), predicts blood pressure (BP) changes in individuals with systemic arterial hypertension (SAH), and to explore potential interactions between genetic risk and dietary interv
Open articleCardiology
Early mobilisation after myocardial infarction (MI) is strongly recommended. However, evidence regarding the benefits of structured physiotherapy during the acute in-hospital phase remains limited. This controlled clinical trial (CCT) aimed to evaluate whether an intensive early
Open articleCardiology
This study aimed to construct an evidence chain for the efficacy of Shuxuening Injection(SXN) in the treatment of unstable angina pectoris(UAP) and clarify its efficacy and underlying mechanisms. Eight major Chinese and English databases, including CNKI, VIP, Wanfang, SinoMed, Pu
Open articleCardiology
New England Journal of Medicine, Volume 395, Issue 5, Page 513-516, July 30, 2026.
Open articleCardiology
New England Journal of Medicine, Volume 395, Issue 5, Page 518-520, July 30, 2026.
Open articleCardiology
New England Journal of Medicine, Volume 395, Issue 5, July 30, 2026.
Open articleCardiology
New England Journal of Medicine, Ahead of Print.
Open articleCardiology
Patients with atrial fibrillation are at high risk of stroke and bleeding, and as coronary artery disease commonly coexists, such patients can present with chronic coronary syndrome or acute coronary syndromes including unstable angina, often requiring percutaneous coronary inter
Open articleCardiology
Leading cardiologist who changed clinical practice and research. Born on Aug 15, 1929, in Vienna, Austria, he died on April 22, 2026, in Newton, MA, USA, aged 96 years.
Open articleCardiology
Among patients with atrial fibrillation and predominantly chronic coronary syndrome undergoing PCI with intravascular imaging guidance, 1-month dual antithrombotic therapy followed by DOAC monotherapy was non-inferior to 12-month therapy for death or thromboembolic events and red
Open articleCardiology
Meta-analyses support anthocyanins' cardiometabolic benefits in heterogeneous populations (including diseased), but efficacy in healthy participants remains unknown. Across prospective cohorts, and randomized controlled trials (RCTs; ≥50 mg/d anthocyanins), we assessed impac
Open articleCardiology
Optical coherence tomography (OCT) can differentiate plaque morphology (fibrous, lipidic, and calcified) within atherosclerotic lesions. The prognostic impact of predominant OCT plaque type after percutaneous coronary intervention (PCI) is unclear. The aim of this study was to in
Open articleCardiology
Evidence for non-vitamin K antagonist oral anticoagulant (NOAC) monotherapy for older patients with atrial fibrillation (AF) and drug-eluting stents is lacking. We aimed to evaluate the safety and efficacy of NOAC monotherapy in older AF patients with drug-eluting stents. This is
Open articleCardiology
Patients with multivessel coronary artery disease often receive 12 months of dual antiplatelet therapy (DAPT) after stenting to reduce the risk of ischemic events. Whether extending DAPT beyond 12 months in event-free patients with multivessel disease provides a benefit is uncert
Open articleCardiology
Randomized trials in chronic coronary artery disease (CAD) tested single interventions of lifestyle, medical treatment, or revascularization. The randomized CENTURY trial tested a comprehensive strategy integrating intense lifestyle modification, medical treatment and revasculari
Open articleCardiology
To evaluate the effectiveness of a contextually developed home-based cardiac rehabilitation (HBCR) programme on heart-related quality of life (QoL), cardiac health behaviours (CHB) and cardiac anxiety (CA) among patients with coronary artery disease (CAD) in Lahore, Pakistan. Sin
Open articleCardiology
Implantation of drug eluting stents (DESs) is currently the default approach for percutaneous coronary interventions, but long-term adverse events still exist. An approach with minimal stenting deserves to be assessed in a randomized trial. We studied a novel sirolimus-eluting ba
Open articleCardiology
Obstructive sleep apnea (OSA) frequently coexists with coronary artery disease (CAD) and may contribute to heart failure with preserved ejection fraction (HFpEF). Whether HFpEF-like features are reversible with continuous positive airway pressure (CPAP) therapy remains uncertain.
Open articleCardiology
Coronary bifurcation lesions remain prone to side branch (SB) ostial restenosis. Kissing balloon inflation (KBI) is the standard of care for provisional stenting, but it induces mechanical injury. Drug-coated balloons (DCBs) may pharmacologically inhibit neointimal hyperplasia to
Open articleCardiology
The management of calcified coronary lesions remains challenging. Although several devices for advanced plaque modification are available, their relative efficacy is debated. We aimed to compare intravascular lithotripsy (IVL)- and rotational atherectomy (RA)-based strategies for
Open articleCardiology
Previous studies have shown that ∼50% of patients with stable chest pain have no obstructive coronary artery disease (CAD), yet remain at higher risk of major adverse cardiovascular events (MACE) compared to patients without chest pain. Coronary microvascular dysfunction (CMD) is
Open articleCardiology
BACKGROUND Elderly patients with both coronary heart disease (CHD) and diabetes mellitus (DM) undergoing off-pump coronary artery bypass grafting (CABG) face high risks of perioperative glucose fluctuations and impaired recovery. We evaluated the impact of a structured, multidisc
Open articleCardiology
Two methods to select statin therapy for primary prevention are the pooled cohort equation (PCE), based on traditional risk factors, and coronary artery calcium (CAC), a patient-level assessment of coronary plaque burden. How well these methods compare in reducing atherosclerotic
Open articleCardiology
Although provisional stenting is the recommended strategy for most coronary bifurcation lesions, the clinical benefit of additional side branch (SB) intervention remains debated. The aim of this study was to determine whether a conservative strategy without systematic SB interven
Open articleCardiology
BACKGROUND: Anxiety, depression, and reduced quality of life are common after coronary artery bypass grafting (CABG), yet participation in traditional center-based cardiac rehabilitation (CBCR) is limited by access barriers. This study aims to compare the effectiveness of a home-
Open articleCardiology
The transradial technique has become standard of care for coronary angiography and intervention. In the field of diagnostic coronary angiography, studies have compared single and dual catheter approaches, yet there is paucity of literature comparing all 3 commonly used strategies
Open articleCardiology
Oral anticoagulation is essential for stroke prevention in atrial fibrillation, whereas antiplatelet therapy remains standard for coronary artery disease (CAD), raising concerns about bleeding when both are combined. The effect of these regimens on recurrent events, reflecting cu
Open articleCardiology
Unblinded studies have demonstrated superior procedural and clinical outcomes of percutaneous coronary intervention (PCI) in focal compared with diffuse coronary artery disease. However, data from the first placebo-controlled study did not demonstrate a differential impact of dis
Open articleCardiology
This multicenter, double-blind, randomized controlled trial sought to assess the clinical efficacy of Taoren Honghua Jian (THJ) in patients with coronary artery disease (CAD) exhibiting Qi stagnation and blood stasis syndrome, and investigated its effect on NLRP3 inflammasome exp
Open articleCardiology
Renal function is a critical factor of ischaemic and bleeding risks in patients with atrial fibrillation (AF) receiving antithrombotic therapy. This study aimed to evaluate the impact of renal dysfunction in patients with AF and stable coronary artery disease (CAD) undergoing ant
Open articleCardiology
Frailty is an important predictor of outcomes in patients with coronary artery disease (CAD) and following transcatheter aortic valve replacement (TAVR). The NOTION-3 (Third Nordic Aortic Valve Intervention) trial demonstrated that performing percutaneous coronary intervention (P
Open articleCardiology
BACKGROUND: In patients with myocardial infarction (MI) and multivessel disease, diabetes mellitus is associated with more diffuse coronary atherosclerosis and worse clinical outcomes, often influencing revascularization decisions. The Functional Assessment in Elderly MI Patients
Open articleCardiology
Chronic inflammation and metabolic dysregulation of heart failure (HF) often result in sarcopenia. The combined effect of Mediterranean diet (MD) and omega-3 polyunsaturated fatty acids on the advanced lipidomic profile of HF patients remains poorly defined. Our objective was to
Open articleCardiology
This study aimed to explore whether baseline values and 12-month change in the 6-Minute Walk Distance (6MWD) and the physical scale of the Minnesota Living with Heart Failure Questionnaire (MLHFQ) were associated with long-term mortality in patients with heart failure (HF). A tot
Open articleCardiology
Heart failure with preserved ejection fraction (HFpEF) or mildly reduced ejection fraction (HFmrEF) is a prevalent condition associated with significant morbidity and mortality, and the benefits of mineralocorticoid receptor antagonists (MRAs) remain unclear. To develop a systema
Open articleCardiology
Patients with HF and AF face high risks of death and HF decompensation, yet the comparative effectiveness of commonly used AF management strategies remains uncertain. This study is aimed at comparing the efficacy and safety of different interventional and medical approaches using
Open articleCardiology
Ischemic heart disease is a leading cause of morbidity and mortality. In this study, we assessed the efficacy of intracoronary stem cell transplantation on left ventricular function (LVEF) in acute myocardial infarction, chronic ischemic heart disease, and severe ischemic heart f
Open articleCardiology
The prognostic value of the Meta-Analysis Global Group in Chronic Heart Failure (MAGGIC) score in patients undergoing mitral valve transcatheter edge-to-edge repair (M-TEER) remains unclear. This study evaluated the MAGGIC score to predict outcomes after M-TEER in patients with f
Open articleCardiology
The benefit of an implantable cardioverter-defibrillator (ICD) in patients with heart failure with reduced ejection fraction on foundational therapy that includes a sodium-glucose cotransporter 2 inhibitor is unknown. This study aims to evaluate the impact of an ICD among partici
Open articleCardiology
Exploring the effects of the hospital-to-home transitional capacity management plan in patients with chronic heart failure. Patients with chronic heart failure who were hospitalized from December 2022 to August 2024 were selected as research subjects and randomly assigned to eith
Open articleCardiology
Withdrawal of guideline-directed medical therapy (GDMT) for heart failure (HF) is common after atrial fibrillation (AF) catheter ablation and recovery of cardiac function, but safety remains uncertain. To assess the feasibility and safety of phased GDMT withdrawal in patients wit
Open articleCardiology
Background: Dietary interventions in heart failure (HF) remain limited, with current guidance focused largely on sodium restriction. Ketone metabolism has emerged as a potential therapeutic target in HF, with ketone supplementation shown to improve cardiac function. However, ther
Open articleCardiology
The central problem in heart failure with reduced ejection fraction (HFrEF) is reduced contractility. Existing inotropes are associated with adverse effects. In this exploratory study, we aimed to assess the safety and tolerability of AC01, a novel oral calcium-sensitising inotro
Open articleCardiology
Early rhythm control reduces cardiovascular events in patients with atrial fibrillation (AF) and cardiovascular comorbidities. Whether this effect is consistent across severities of different AF-associated conditions is not known. In the EAST-AFNET 4 biomolecule study (n = 1586;
Open articleCardiology
FIX-HF-5C multicentre, randomized study demonstrated cardiac contractility modulation (CCMTM) improved patient-centred outcomes, including functional capacity, symptom burden, and health-related quality of life. Reductions in cardiovascular death and heart failure hospitalization
Open articleCardiology
We aimed to evaluate the efficacy of β-blockers after myocardial infarction (MI) across left ventricular ejection fraction (LVEF) strata and to assess the conclusiveness of the available evidence using trial sequential analysis (TSA). PubMed, Embase and ClinicalTrials.gov were se
Open articleCardiology
Heart failure (HF) frequently coexists with non-valvular atrial fibrillation (NVAF) and may adversely affect outcomes after percutaneous left atrial appendage closure (LAAC). However, data on the safety and efficacy of LAAC in this high-risk subgroup remain inconsistent. A compre
Open articleCardiology
Heart failure with preserved ejection fraction (HFpEF) is more prevalent in women, who often present with earlier onset and greater severity of vascular and endothelial dysfunction. Nitric oxide (NO) is a key contributor to vascular health, and several NO-related metabolites are
Open articleCardiology
Acute heart failure often leads to impaired physical function, high rehospitalization rates, and poor quality of life. Although exercise-based rehabilitation benefits chronic heart failure patients, its feasibility in acute heart failure is limited. Neuromuscular electrical stimu
Open articleCardiology
Although the beneficial effects of sodium-glucose cotransporter 2 (SGLT2) inhibition in heart failure (HF) have been well established, it is unknown whether SGLT2 inhibition confers benefit in carriers of rare variants in cardiomyopathy-associated genes. Here we evaluated whole-e
Open articleCardiology
Feasible and potentially scalable strategies are needed to address the growing cardiovascular disease (CVD) risk among people living with HIV. Bidirectional automated texting (BAT) programs that remind and encourage adherence to evidence-based CVD-reducing interventions represent
Open articleCardiology
Purpose To evaluate the effects of a monthly 5-day fasting-mimicking diet (FMD) for 1 year on left ventricular (LV) geometry and function in individuals with type 2 diabetes (T2D). Materials and Methods This secondary analysis of the prospective Fasting In diabetes Treatment tria
Open articleCardiology
Patients with type 2 diabetes (T2D) and recent ST-elevation myocardial infarction (STEMI) face accelerated atherosclerosis and a high risk of recurrent cardiovascular events. Sodium-glucose cotransporter-2 inhibitors (SGLT2i), particularly empagliflozin, offer proven cardioprotec
Open articleCardiology
Atrial fibrillation (AF), a common arrhythmia, is associated with impaired quality of life and increased stroke risk and mortality. Clinical guidelines recommend leveraging digital technologies to support patient education and AF self-management. Conversational artificial intelli
Open articleCardiology
Despite advances in therapy, arterial, venous, and pulmonary vascular diseases remain leading causes of morbidity and mortality. Persistent endothelial dysfunction, inflammation, oxidative stress, and maladaptive vascular remodeling continue to drive disease progression and resid
Open articleCardiology
Serum urate has been associated with cardiovascular disease in observational studies, but whether genetically predicted higher serum urate levels contribute to specific cardiovascular outcomes remains uncertain. We conducted a systematic review and meta-analysis of Mendelian rand
Open articleCardiology
Patients with diabetes mellitus undergoing coronary artery bypass grafting (CABG) with saphenous vein harvesting are at increased risk of impaired lower extremity perfusion and wound-related complications. Buerger-Allen exercises have been proposed to improve peripheral circulati
Open articleCardiology
Persistent cardiac symptoms are common in post-COVID syndrome, even without structural heart disease. Evidence implicates immune dysregulation, endothelial dysfunction and low-grade cardiovascular inflammation. Yet no targeted treatment exists. Myoflame-19 is a multicenter, doubl
Open articleCardiology
Chronic lower limb ischemia is a manifestation of systemic atherosclerosis frequently accompanied by lipid metabolism disorders, endothelial dysfunction, and disturbances in the L-arginine-nitric oxide (NO) pathway. Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of n
Open articleCardiology
Resistance training is associated with a lower risk of cardiovascular disease (CVD) in women, new research suggests.
Open articleCardiology
Patients discharged with a diagnosis of acute coronary syndrome (ACS) are at increased risk for recurrent cardiovascular events. Improved adherence to treatment has been associated with better outcomes. The objective of this study was to evaluate the effect of an educational inte
Open articleCardiology
Urinary albumin-to-creatinine ratio (uACR) is a recognized cardiovascular risk marker, but its dynamic changes in heart failure with preserved ejection fraction (HFpEF) remain underexplored. We aimed to identify distinct uACR trajectory patterns and their associations with clinic
Open articleCardiology
Myocardial infarction (MI) remains a leading cause of cardiovascular mortality worldwide. Despite significant advances in reperfusion strategies and pharmacotherapy, persistent inflammation and adverse ventricular remodeling continue to underlie poor long-term clinical outcomes.
Open articleCardiology
Left atrial appendage closure (LAAC) has emerged as an alternative to oral anticoagulation (OAC) for stroke prevention in atrial fibrillation (AF), but its long-term comparative efficacy remains uncertain. This systematic review and meta-analysis evaluated randomized controlled t
Open articleCardiology
Structured exercise is a key component of cardiac rehabilitation (CR) for patients with heart failure (HF), but access to center-based cardiac rehabilitation (CBCR) is often limited. Mobile health (mHealth) platforms enable remote, virtual, or hybrid cardiac rehabilitation (RVH-C
Open articleCardiology
Racial and ethnic differences in diabetic cardiomyopathy (DbCM) exist, with black and Hispanic participants showing poorer health status. It remains unclear whether these differences affect the natural progression of the disease. We aimed to evaluate disease progression in indivi
Open articleCardiology
Patients with rheumatoid arthritis (RA) have an increased risk of cardiovascular disease, particularly when hypertension coexists. However, evidence regarding the role of cardiac rehabilitation (CR) in this high-risk population remains limited. In this randomized controlled trial
Open articleCardiology
Black individuals have a lower incidence of atrial fibrillation (AF) than White individuals, despite a higher burden of traditional risk factors. Prior studies have suggested that European genetic ancestry may contribute to this paradox, but findings have been inconsistent. We ex
Open articleCardiology
Prior research has conducted a limited number of studies on the efficacy of atenolol in preventing atrial fibrillation following cardiac surgery (CS). Consequently, a comprehensive evaluation and meta-analysis were undertaken to assess the effectiveness and safety of atenolol in
Open articleCardiology
Bundle branch conduction abnormalities are associated with ventricular dyssynchrony, impaired myocardial mechanics, and progressive systolic dysfunction. Advanced deformation imaging techniques, including speckle-tracking echocardiography (STE) and cardiac magnetic resonance feat
Open articleCardiology
This living systematic review Version 1.0 aims to provide a timely, rigorous and continuously updated summary of the evidence on the use of acetazolamide plus loop diuretics in acute congestive heart failure compared to loop diuretics. We conducted a comprehensive search in CENTR
Open articleCardiology
Prolonged ambulatory ECG monitoring is hypothesized to improve detection of paroxysmal arrhythmias compared with standard 24-hour Holter monitoring. This systematic review and meta-analysis evaluated whether 14-day single-lead adhesive ECG patch monitoring enhances detection of c
Open articleCardiology
Atrial fibrillation (AF) is a condition that frequently affects patients with heart failure with reduced ejection fraction (HFrEF) and is associated with worsening left ventricular ejection fraction (LVEF) and unfavorable clinical outcomes. Catheter ablation has been proposed as
Open articleCardiology
Perioperative risk screening seeks to optimize medical decision-making by identifying cardiac risk in patients undergoing noncardiac surgery. The current guidelines of organizations such as the European Society of Cardiology (ESC) and the Brazilian Society of Cardiology (SBC)inco
Open articleCardiology
Copeptin, a surrogate marker for vasopressin secretion, is associated with cardiovascular disease, insulin resistance and dysglycaemia. The cardioprotective effects of sodium-glucose cotransporter 2 inhibitors (SGLT2i) may involve vasopressin modulation through fluid redistributi
Open articleCardiology
Heart failure (HF) is a major health care challenge in the United States, with approximately 900,000 older adults hospitalized annually. Gaps in self-management, including unrecognized worsening symptoms and failure to adhere to dietary sodium restriction, can reduce quality of l
Open articleCardiology
Non-invasive myocardial work (MW) indices derived from pressure-strain loop analysis, including global work index (GWI), global constructive work (GCW), global wasted work (GWW), and global work efficiency (GWE), have emerged as novel predictors of clinical outcomes across a broa
Open articleCardiology
Background and Objectives: Early diagnosis of acute myocardial infarction (AMI) remains challenging due to the "diagnostic blind window" of conventional protein biomarkers and the limited sensitivity of electrocardiograms in non ST-segment elevation myocardial infarctio
Open articleCardiology
Dilated cardiomyopathy (DCM) is the most common cardiomyopathy worldwide. Over the last few decades, significant progress has been made in understanding the genes responsible for DCM. A large number of variants have been detected, with heterogeneous distribution across the globe.
Open articleCardiology
Coronary artery disease (CAD) remains a major cause of morbidity and mortality worldwide. Variants in the lipid metabolism gene SCARB1 may influence CAD susceptibility, but existing evidence is inconsistent. We systematically searched PubMed, Embase, Web of Science, the Cochrane
Open articleCardiology
Although recent large-scale randomized trials have demonstrated that sodium-glucose cotransporter 2 (SGLT2) inhibitors following acute myocardial infarction (AMI) are safe, the mechanisms underlying their potential cardioprotective effects remain poorly understood. The aim of thi
Open articleCardiology
Angina with no obstructive coronary artery disease (ANOCA) is associated with persistent symptoms and impaired quality of life. Although guidelines advocate a patient-centered, multidisciplinary approach, randomized evidence is lacking. The aim of this study was to determine whet
Open articleCardiology
The decision to transfuse a patient with myocardial infarction (MI) and anemia at a higher vs lower hemoglobin threshold must consider the potential benefit of reduced risk of 30-day death or MI and the potential risk of heart failure. To estimate bayesian posterior risk differen
Open articleCardiology
Over the past decade, mitral valve transcatheter edge-to-edge repair (M-TEER) has become an established interventional treatment option for functional mitral regurgitation. One subtype that has recently gained increasing scientific attention is atrial functional mitral regurgitat
Open articleCardiology
Electrocardiographic (ECG) criteria for detecting left ventricular hypertrophy (LVH) have largely been derived from non-African populations. Their diagnostic performance in Black African adults with untreated hypertension remains uncertain. To evaluate the diagnostic performance
Open articleCardiology
ST-segment elevation myocardial infarction (STEMI) remains a major cause of cardiovascular mortality and morbidity worldwide. Despite advances in reperfusion therapy, many patients still develop irreversible myocardial injury and adverse ventricular remodeling. Intracoronary mese
Open articleCardiology
Frequent premature ventricular complexes (PVC) can lead to a reversible form of left ventricular (LV) dysfunction termed PVC-induced cardiomyopathy (PIC). Catheter ablation is increasingly recognized as the most effective treatment; however, outcomes may differ by the anatomical
Open articleCardiology
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. Antazoline, a first-generation antihistamine with antiarrhythmic properties, has shown efficacy in the rapid conversion of recent-onset AF to sinus rhythm; however, direct comparative evidence against stand
Open articleCardiology
ST-segment elevation myocardial infarction (STEMI) requires primary percutaneous coronary intervention (PCI) and dual antiplatelet therapy with aspirin and a purinergic receptor Y12 inhibitor to reduce thrombotic risks. Ticagrelor, a potent purinergic receptor Y12 inhibitor, offe
Open articleCardiology
Heart failure (HF) is a major public health problem associated with frequent hospitalizations, high mortality, and substantial health care costs. Self-care is fundamental to improving health outcomes; yet, self-care is commonly poor among patients with HF. SMS text messaging inte
Open articleCardiology
This study aimed to investigate the effects of virtual reality (VR) technology on the sympathetic nervous system and the emotional status in patients with acute coronary syndrome (ACS). A total of 102 patients with ACS, who were treated in the department of cardiology at the Seco
Open article