Heart Atria

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  Subject Areas on Research

  • A 37-year-old man with chest pain, ECG changes, and elevated cardiac enzymes. 
  • A combined atrial/ventricular lead for permanent dual-chamber cardiac pacing applications. 
  • A comparison by medicine residents of physical examination versus hand-carried ultrasound for estimation of right atrial pressure. 
  • A computer model of normal conduction in the human atria. 
  • A man with saphenous vein graft aneurysms after bypass surgery. 
  • A membrane model of electrically remodelled atrial myocardium derived from in vivo measurements. 
  • A pathological study of unsuccessful cardiac resuscitation. 
  • A reassessment of the echocardiogram in mitral stenosis. 
  • A three-dimensional finite element model of human atrial anatomy: new methods for cubic Hermite meshes with extraordinary vertices. 
  • ASE/SCA guidelines for performing a comprehensive intraoperative multiplane transesophageal echocardiography examination: recommendations of the American Society of Echocardiography Council for Intraoperative Echocardiography and the Society of Cardiovascular Anesthesiologists Task Force for Certification in Perioperative Transesophageal Echocardiography. 
  • Accuracy of transesophageal echocardiography for identifying left atrial thrombi. A prospective, intraoperative study. 
  • Adult cellular rhabdomyoma of the heart: a report of 3 cases. 
  • Age increases expression and receptor-mediated activation of G alpha i in human atria. 
  • An analysis of the effects of acetylcholine on conduction and refractoriness in the rabbit sinus node. 
  • An intracardiac mass in a young man with congenitally acquired HIV. 
  • An unusual cause of recurrent transient neurologic deficit. 
  • Analysis of secondary pauses following termination of rapid atrial pacing in man. 
  • Aortic atresia with visceral situs inversus with mirror-image dextrocardia. 
  • Appearance of atrial rhythm with absent P wave in longstanding atrial fibrillation. 
  • Are interatrial band myocytes maximally hypertrophied in normal canine hearts? 
  • Assessment of ventricular function in coronary artery disease by means of atrial pacing and exercise. 
  • Atrial Rhabdomyoma Resection With Extracellular Matrix Reconstruction of the Right Atrial Free Wall in an Infant. 
  • Atrial Septostomy to Treat Stiff Left Atrium Syndrome. 
  • Atrial ejection force: a noninvasive assessment of atrial systolic function. 
  • Atrial flutter, atrial fibrillation, and other primary atrial tachycardias. 
  • Atrial high rate episodes detected by pacemaker diagnostics predict death and stroke: report of the Atrial Diagnostics Ancillary Study of the MOde Selection Trial (MOST). 
  • Atrial lead perforation: a case report. 
  • Atrial myxoma. 
  • Atrio-ventricular block induced by right atrial pacing. 
  • BRAIN ABSCESS IN CONGENITAL HEART DISEASE WITH REPORT OF A CASE. 
  • Bacterial endocarditis in a child with a Broviac catheter. 
  • Basic diagnostic echocardiography. 
  • Biatrial appendage hypertrophy but not ventricular hypertrophy: a unique feature of canine pacing-induced heart failure. 
  • Biomass fuel smoke exposure was associated with adverse cardiac remodeling and left ventricular dysfunction in Peru. 
  • Bistability and correlation with arrhythmogenesis in a model of the right atrium. 
  • Blockade of rabbit atrial sodium channels by lidocaine. Characterization of continuous and frequency-dependent blocking. 
  • CT demonstration of myocardial perforation by a pacemaker lead. 
  • CT of intracardiac tumor. 
  • Cardiac angiosarcoma presenting as progressive dyspnea on exertion. 
  • Cardiac muscarinic potassium channel activity is attenuated by inhibitors of G beta gamma. 
  • Cardiac responses to the intrapericardial delivery of metoprolol: targeted delivery compared to intravenous administration. 
  • Cardiac tamponade. 
  • Cardiovascular outcomes with atrial-based pacing compared with ventricular pacing: meta-analysis of randomized trials, using individual patient data. 
  • Cardioversion from atrial fibrillation without prolonged anticoagulation with use of transesophageal echocardiography to exclude the presence of atrial thrombi. 
  • Cardioversion of nonrheumatic atrial fibrillation. Reduced thromboembolic complications with 4 weeks of precardioversion anticoagulation are related to atrial thrombus resolution. 
  • Cases from the Osler Medical Service at Johns Hopkins University. Left atrial myxoma. 
  • Catheter ablation of rotational activity in atrial fibrillation: A barren oasis? 
  • Chocolate and prevention of atrial fibrillation: what is bad for the pancreas might be good for the atria? 
  • Clinical Utility and Prognostic Value of Right Atrial Function in Pulmonary Hypertension. 
  • Clinical application of cine-MRI in the visual assessment of mitral regurgitation compared to echocardiography and cardiac catheterization. 
  • Clinical correlates of atrial tachyarrhythmias after valve replacement for aortic stenosis. 
  • Clinical outcome as a function of the PR-interval-there is virtue in moderation: data from the Duke Databank for cardiovascular disease. 
  • Clinical outcomes after ventriculoatrial shunting for idiopathic normal pressure hydrocephalus. 
  • Clinical predictors and hemodynamic consequences of elevated peripheral chemosensitivity in optimally treated men with chronic systolic heart failure. 
  • Comparative stereology of mouse atria. 
  • Comparative studies of prosthetic materials in the left atrium of the dog. 
  • Comparison of prosthetic graft materials as intracardiac right atrial patches. 
  • Compliance of left atrium with and without left atrium appendage. 
  • Compromised atrial coronary anatomy is associated with atrial arrhythmias and atrioventricular block complicating acute myocardial infarction. 
  • Conduction block after cardioplegic arrest: prevention by augmented atrial hypothermia. 
  • Congenital left atrial aneurysm in an infant. 
  • Conotruncal myocardium arises from a secondary heart field. 
  • Contrast in intracardiac acoustic radiation force impulse images of radiofrequency ablation lesions. 
  • Coronary sinus atrial pacing: radiographic considerations. 
  • Correlation between quantitative left atrial spontaneous echocardiographic contrast and intact fibrinogen levels in mitral stenosis. 
  • Correlation of roentgen findings with hemodynamic data in pure mitral stenosis. 
  • Creation of a novel hemodialysis bridge graft to extend the life of an adolescent. 
  • Delayed presentation of a mitral annular perforation complicating Staphylococcus aureus infective endocarditis. 
  • Detection of pulmonary venous flow by pulsed Doppler echocardiography in children. 
  • Developing therapies for heart failure with preserved ejection fraction: current state and future directions. 
  • Doppler left ventricular diastolic filling abnormalities in aortic stenosis and their relation to hemodynamic parameters. 
  • Echocardiographic Guidance for Surgical Excision of the Intracardiac Component of a Pheochromocytoma. 
  • Echocardiography allows safer venous cannulation during excision of large right atrial masses. 
  • Effect of atrial fibrillation on atrial blood flow in conscious dogs. 
  • Effective defibrillation in pigs using interleaved and common phase sequential biphasic shocks. 
  • Effects of cardiac glycosides on atrial contractile dysfunction after short-term atrial fibrillation. 
  • Effects of propranolol on the hemodynamic, coronary sinus blood flow and myocardial metabolic response to atrial pacing. 
  • Elective prolongation of atrioventricular conduction by multiple discrete cryolesions: a new technique for the treatment of paroxysmal supraventricular tachycardia. 
  • Elevated left atrial pressure does not cause left-to-right shunting after mitral balloon valvuloplasty. 
  • Endocardial atrial pacing lead implantation and midterm follow-up in young patients with sinus node dysfunction after the fontan procedure. 
  • Endothelial nitric oxide synthase increases in left atria of dogs with pacing-induced heart failure. 
  • Endovascular placement of a ventriculoatrial shunt. Technical note. 
  • Evaluation of left atrial appendage anatomy and function in recent-onset atrial fibrillation by transesophageal echocardiography. 
  • Everything old is new again: transthoracic cardiac catheterization. 
  • Existence of bistability and correlation with arrhythmogenesis in paced sheep atria. 
  • Extensive invasion of the left atrium by lung cancer. 
  • Feasibility study of real-time three-dimensional intracardiac echocardiography for guidance of interventional electrophysiology. 
  • Fiber-optic stethoscope: a cardiac monitoring and gating system for magnetic resonance microscopy. 
  • Fine-needle aspiration of a primary right atrial myxoma. 
  • Fixed volume particle trace emission for the analysis of left atrial blood flow using 4D Flow MRI. 
  • Force-frequency effect is a powerful determinant of myocardial contractility in the mouse. 
  • G alpha(q)-coupled receptors in human atrium function through protein kinase C epsilon and delta. 
  • Gene signatures of postoperative atrial fibrillation in atrial tissue after coronary artery bypass grafting surgery in patients receiving β-blockers. 
  • Glucose utilization by edematous rat lungs. 
  • Gunshot-Induced Aorto-Left Atrial Fistula Diagnosed by Intraoperative Transesophageal Echocardiography. 
  • Hemodynamic clues to the discrepancy between the angiographic and intraoperative assessment of aortic regurgitation. 
  • Hemodynamic evaluation of rate augmentation produced by atrial pacing and isoproterenol in the early postoperative phase of cardiac valve surgery. 
  • Hepatocellular carcinoma with intracavitary cardiac involvement: a case report and review of the literature. 
  • Hereditary progressive atrioventricular conduction defect. A new syndrome? 
  • High-Velocity Jet in the Right Atrium: What Is the Diagnosis? 
  • High-affinity binding of [3H]acetylcholine to muscarinic cholinergic receptors. 
  • High-frequency jet ventilation improves cardiac function after the Fontan procedure. 
  • Hoxb5b acts downstream of retinoic acid signaling in the forelimb field to restrict heart field potential in zebrafish. 
  • Hyperbaric oxygen therapy for treatment of neurologic sequela after atrioesophageal fistula. 
  • Images in cardiovascular medicine. Noninvasive characterization of left atrial mass. 
  • Impaired left atrial mechanical function after cardioversion: relation to the duration of atrial fibrillation. 
  • Implantable cardioverter-defibrillator implantation in a patient with atrial standstill. 
  • Improved reproducibility of left atrial and left ventricular measurements by guided three-dimensional echocardiography. 
  • Improved surgical approach to left atrial appendage aneurysm. 
  • Incidence, risk, and consequences of atrial arrhythmias in patients with continuous-flow left ventricular assist devices. 
  • Increased expression of Gi-coupled muscarinic acetylcholine receptor and Gi in atrium of elderly diabetic subjects. 
  • Influence of shock strength and timing on induction of ventricular arrhythmias in dogs. 
  • Influence of the passive anisotropic properties on directional differences in propagation following modification of the sodium conductance in human atrial muscle. A model of reentry based on anisotropic discontinuous propagation. 
  • Interaction of inhomogeneities of repolarization with anisotropic propagation in dog atria. A mechanism for both preventing and initiating reentry. 
  • Interactions between extracellular stimuli and excitation waves in an atrial reentrant loop. 
  • Interatrial septal thickening preventing percutaneous mitral valve balloon valvuloplasty. 
  • Intracardiac septation requires hedgehog-dependent cellular contributions from outside the heart. 
  • Intracellular potassium activity in rabbit sinoatrial node. Evaluation during spontaneous activity and arrest. 
  • Intrapulmonary shunt confirmed by intracardiac echocardiography in the diagnosis of hepatopulmonary syndrome. 
  • Inverted left atrial appendage appearing as a left atrial mass with transesophageal echocardiography during cardiac surgery. 
  • Kinetics of interaction of the lidocaine metabolite glycylxylidide with the cardiac sodium channel. Additive blockade with lidocaine. 
  • Late results after mitral valve replacement with the Björk-Shiley and porcine prostheses. 
  • Left Atrial Structure and Function in Heart Failure with Preserved Ejection Fraction: A RELAX Substudy. 
  • Left atrial appendage to great cardiac vein fistula complicating watchman left atrial appendage closure. 
  • Left atrial decompression pump for severe heart failure with preserved ejection fraction: theoretical and clinical considerations. 
  • Left atrial enlargement: a cause of stroke? 
  • Left atrial myxoma. Is cardiac catheterization essential? 
  • Left atrial remodeling: shape before size? 
  • Left atrial remodelling in patients with myocardial infarction complicated by heart failure, left ventricular dysfunction, or both: the VALIANT Echo study. 
  • Left atrial size: physiologic determinants and clinical applications. 
  • Left atrial tachycardia originating from the mitral annulus-aorta junction. 
  • Loading effect of fibroblast-myocyte coupling on resting potential, impulse propagation, and repolarization: insights from a microstructure model. 
  • Measurements of the left atrium and pulmonary veins for analysis of reverse structural remodeling following cardiac ablation therapy. 
  • Mechanism of origin of conduction disturbances in aging human atrial bundles: experimental and model study. 
  • Meta-analysis of the effect of radiofrequency catheter ablation on left atrial size, volumes and function in patients with atrial fibrillation. 
  • Methylation of the estrogen receptor gene is associated with aging and atherosclerosis in the cardiovascular system. 
  • Minitransseptal versus left atrial approach to the mitral valve: a comparison of outcomes. 
  • Mitral stenosis: mitral dome excursion at M1 and the mitral opening snap--the concept of reciprocal heart sounds. 
  • Molecular and physiological alterations in murine ventricular dysfunction. 
  • Mortality and rate of stroke or embolism in atrial fibrillation during long-term follow-up in the embolism in left atrial thrombi (ELAT) study. 
  • Multicolor mapping of the cardiomyocyte proliferation dynamics that construct the atrium. 
  • Multiplane transesophageal echocardiographic assessment of left atrial appendage anatomy and function. 
  • Myocardial blood flow in awake dogs with chronic tricuspid regurgitation. 
  • Myocardial volume and organization are changed by failure of addition of secondary heart field myocardium to the cardiac outflow tract. 
  • Na channel kinetics remain stable during perforated-patch recordings. 
  • Neurological outcome in a porcine model of descending thoracic aortic surgery. Left atrial-femoral artery bypass versus clamp/repair. 
  • Noninvasive determination of exercise cardiac function following Fontan operation. 
  • Normothermic cardiopulmonary bypass with beating heart for management of renal cell carcinoma with atrial tumor thrombus. 
  • Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue. 
  • Novel transatrial septoplasty technique for neonates with hypoplastic left heart syndrome and an intact or highly restrictive atrial septum. 
  • Optimal defibrillator patch configurations include the right side of the heart and left ventricle. 
  • Origin of atrial coving in canine phasic coronary artery blood flow. 
  • Origin of epicardial ST-T wave potentials in the intact dog. 
  • Outcomes in bicaval versus biatrial techniques in heart transplantation: an analysis of the UNOS database. 
  • Outcomes of atrioesophageal fistula following catheter ablation of atrial fibrillation treated with surgical repair versus esophageal stenting. 
  • Partial Anomalous Hepatic Venous Return: A Systematic Intraoperative Exclusion of Other Serious Diagnoses. 
  • Partial and transient relief of conduit obstruction by low-pressure balloon dilation in patients with congenital heart disease. 
  • Pathophysiological role of changing atrial size and pressure in modulation of atrial natriuretic factor during evolving experimental heart failure. 
  • Percutaneous atrial septal occluder devices and cardiac erosion: a review of the literature. 
  • Perioperative transesophageal echocardiography: the anesthesiologist as cardiac diagnostician. 
  • Pharmacodynamics of basic fibroblast growth factor: route of administration determines myocardial and systemic distribution. 
  • Pharmacologic activation of the human coronary microcirculation in vitro: endothelium-dependent dilation and differential responses to acetylcholine. 
  • Placement of a right atrial air aspiration catheter guided by transesophageal echocardiography. 
  • Predicting AF recurrence after catheter ablation: Is it time to use the force? 
  • Predictive capability of left atrial size measured by CT, TEE, and TTE for recurrence of atrial fibrillation following radiofrequency catheter ablation. 
  • Pressure-flow studies in man: effect of atrial systole on ventricular function in mitral stenosis. 
  • Prevalence of residual left atrial thrombi among patients with acute thromboembolism and newly recognized atrial fibrillation. 
  • Protein kinase C (calcium/phospholipid-dependent protein kinase) in developing chick heart: selective localization to atrium versus ventricle and changes in activity levels during cardiogenesis. 
  • Pulmonary function and adverse cardiovascular outcomes: Can cardiac function explain the link? 
  • Pulmonary vein Doppler echocardiography after left atrial operation. 
  • Quantitative radionuclide angiocardiography for determination of chamber to chamber cardiac transit times. 
  • Rapid ventricular pacing in the dog: pathophysiologic studies of heart failure. 
  • Real-time monitoring of luminal esophageal temperature during left atrial radiofrequency catheter ablation for atrial fibrillation: observations about esophageal heating during ablation at the pulmonary vein ostia and posterior left atrium. 
  • Real-time three-dimensional transesophageal echocardiography for guiding interventional electrophysiology: feasibility study. 
  • Reappraisal of the use of inferior vena cava for estimating right atrial pressure. 
  • Recommendations regarding quantitation in M-mode echocardiography: results of a survey of echocardiographic measurements. 
  • Regional atrial blood flow in dogs. Effect of hypertrophy on coronary flow reserve. 
  • Regional blood flow in canine atria during exercise. 
  • Regional changes in myocyte structure in model of canine right atrial hypertrophy. 
  • Relaxin suppresses atrial fibrillation in aged rats by reversing fibrosis and upregulating Na+ channels. 
  • Renal carcinoma: detection of venous extension with gradient-echo MR imaging. 
  • Reproducibility of left atrial ablation with high-intensity focused ultrasound energy in a calf model. 
  • Response of atrial natriuretic factor to acute and chronic increases of atrial pressures in experimental heart failure in dogs. Role of changes in heart rate, atrial dimension, and cardiac tissue concentration. 
  • Responsiveness of atrial natriuretic factor to reduction in right atrial pressure in patients with chronic congestive heart failure. 
  • Right atrial appendage pacing: radiographic considerations. 
  • Right atrial volume by cardiovascular magnetic resonance predicts mortality in patients with heart failure with reduced ejection fraction. 
  • Right-heart catheterization in coronary artery disease. 
  • Routine cine-CMR for prosthesis-associated mitral regurgitation: a multicenter comparison to echocardiography. 
  • Scanned 3-D Intracardiac ARFI and SWEI for Imaging Radio-Frequency Ablation Lesions. 
  • Sequential changes in atrial pressures, dimensions, and plasma atrial natriuretic factor concentrations during volume loading in hemodynamically normal human subjects. 
  • Shortened platelet lifespan in patients with hydrocephalus and ventriculojugular shunts: results of preliminary attempts at correction. 
  • Significance of high degree atrioventricular block in acute posterior myocardial infarction. The importance of clinical setting and mechanism of block. 
  • Spread of excitation from the atrium into thoracic veins in human beings and dogs. 
  • Stroke risk assessment in atrial fibrillation: risk factors and markers of atrial myopathy. 
  • Successful ventricle to direct heart shunt placement as a salvage cerebrospinal fluid diversion technique. Case report. 
  • Supraventricular conduction abnormalities following cardiac operations. A complication of inadequate atrial preservation. 
  • Surgery for atrial fibrillation. 
  • Surgical management of congenital coronary artery fistula. 
  • Surgical treatment of automatic atrial tachycardias. 
  • Targeted developmental overexpression of calmodulin induces proliferative and hypertrophic growth of cardiomyocytes in transgenic mice. 
  • Targeted overexpression of phospholamban to mouse atrium depresses Ca2+ transport and contractility. 
  • Temperature-sensitive TREK currents contribute to setting the resting membrane potential in embryonic atrial myocytes. 
  • Temporal dependence of the return of atrial mechanical function on the mode of cardioversion of atrial fibrillation to sinus rhythm. 
  • Testing the Efficacy of Pharmacological Agents in a Pericardial Target Delivery Model in the Swine. 
  • The Fontan right atrium--in context. 
  • The comparative effects of drive and test stimulus intensity on myocardial excitability and vulnerability. 
  • The comparative relationships between locations of the papillary muscles and electrophysiologic QRS axis in patients with atrioventricular septal defect and common as opposed to separate orifices in the valve guarding the common atrioventricular junction. 
  • The effect of cardiac tamponade on coronary haemodynamics in the awake dog. 
  • The effect of intermittent atrial tachyarrhythmia on heart failure or death in cardiac resynchronization therapy with defibrillator versus implantable cardioverter-defibrillator patients: a MADIT-CRT substudy (Multicenter Automatic Defibrillator Implantation Trial With Cardiac Resynchronization Therapy). 
  • The effect of quinidine, propranolol and their combination on experimental atrial and ventricular arrhythmias. 
  • The electrophysiological effects of calcium channel blockade during standard hyperkalemic hypothermic cardioplegic arrest. 
  • The feasibility of myocardial infarct visualization using atrial kick induced strain (AKIS) contrast. 
  • The functional role of structural complexities in the propagation of depolarization in the atrium of the dog. Cardiac conduction disturbances due to discontinuities of effective axial resistivity. 
  • The influence of changes in blood volume on angina pectoris. A study of the effect of phlebotomy. 
  • The influence of intravenous Albunex injections on pulmonary arterial pressure, gas exchange, and left ventricular peak intensity. 
  • The left atrium: a biomarker of chronic diastolic dysfunction and cardiovascular disease risk. 
  • The relationship between renal function and cardiac structure, function, and prognosis after myocardial infarction: the VALIANT Echo Study. 
  • The silent ductus arteriosus. 
  • The time for naming the Interatrial Block Syndrome: Bayes Syndrome. 
  • Thin collagenous septa in cardiac muscle. 
  • Transesophageal assessment of left atrial thrombus using a 3.3-mm monoplane probe. 
  • Transesophageal echocardiographically facilitated early cardioversion from atrial fibrillation using short-term anticoagulation: final results of a prospective 4.5-year study. 
  • Transesophageal echocardiography and atrial fibrillation: added value or expensive toy? 
  • Transesophageal echocardiography before cardioversion. 
  • Unusual cause of superior vena cava syndrome diagnosed with transesophageal echocardiography. 
  • Use of electrocardiogram to position right atrial catheters during surgery. 
  • Use of resampling techniques to estimate the variance of parameters in pharmacological assays when experimental protocols preclude independent replication: an example using Schild regressions. 
  • Use of the esophageal lead in the diagnosis of mechanisms of reciprocating supraventricular tachycardia. 
  • Use of transoesophageal echocardiography to detect left atrial thrombi before percutaneous balloon dilatation of the mitral valve: a prospective study. 
  • Variation in left atrial transmural wall thickness at sites commonly targeted for ablation of atrial fibrillation. 
  • Variations in pulmonary venous drainage to the left atrium: implications for radiofrequency ablation. 
  • Verapamil prolongs atrial fibrillation by evoking an intense sympathetic neurohumoral effect. 
  • Voltage-independent effects of extracellular K+ on the Na+ current and phase 0 of the action potential in isolated cardiac myocytes. 
  • [A case of direct right pulmonary artery-left atrium fistula]. 
  • [Giant left atrium combined with mitral valvular disease: morphologic classification and its clinical significance]. 
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  Keywords of People

  • Barker, Piers Christopher Andrew, Professor of Pediatrics, Pediatrics, Cardiology
  • Henriquez, Craig S., Professor of Biomedical Engineering, Pratt School of Engineering
  • Milano, Carmelo Alessio, Professor of Surgery, Surgery, Cardiovascular and Thoracic Surgery
  • Nielsen, Karen Cristina, Associate Professor of Anesthesiology, Anesthesiology, Ambulatory
  • O'Connor, Christopher Michael, Richard Sean Stack, M.D. / Guidant Foundation Professor of Cardiology, Medicine, Clinical Pharmacology
  • Swaminathan, Madhav, Professor of Anesthesiology, Anesthesiology, Cardiothoracic