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FibrillationInferiorSeptumOstiumRight atriumIntra-atrialPosteriorPersistentMitralAorticSeptal defects accountDefectsPacemakerSinus venosus defectVentricularArrhythmiasEctopicVeinLeftDistalSulcus terminalisCongenital HeartVenousJunctionAppendagesFlutterAssociated with sinusArrhythmiaPercutaneousNodeContractionCardiopulmonaryMesenteric arteryClosureAbnormalHeartSystemic
Fibrillation18
Inferior8
  • Less commonly, the defect may occur at the junction of the right atrium and inferior vena cava (IVC) and be associated with anomalous connection of the right lower pulmonary vein to the IVC. (medscape.com)
  • The white star burst shows the sinus venosus defect of the inferior vena cava (IVC) type, lying adjacent to the IVC junction with the right atrium (RA). (medscape.com)
  • During normal embryonic development, the right horn of the sinus venosus encompasses the right superior vena cava (SVC) and inferior vena cava (IVC). (medscape.com)
  • Suture loops were used to snare the superior vena cava and inferior vena cava. (ctsnet.org)
  • It is 10-20 mm long, 2-3 mm wide, and thick, tending to narrow caudally toward the inferior vena cava (IVC). (medscape.com)
  • Our case was an atypical picture of right atrial (RA) myxoma, as it was located in the RA lateral wall and extended to the RA auricle at the junction among the superior and inferior vena cava. (medscape.com)
  • Mild myocardial hypertrophy with inferior wall hypokinesia but normal left ventricular (LV) ejection fraction (EF) were seen on transthoracic echocardiography (TTE) 1.5 years before along with left atrial (LA) dilatation and moderate mitral and aortic sclerosis with trivial regurgitation without stenosis and normal right-sided cavities. (journalmc.org)
  • in the last 10 consecutive cases (19.3%), we performed a modified surgical technique in which we implanted an intra-atrial corrugated bovine pericardium tube sutured around the superior and inferior vena cava ostium. (unifesp.br)
Septum14
  • In simple terms, an atrial septal defect (ASD) is a deficiency of the atrial septum. (medscape.com)
  • The more common sinus venosus type defect (often referred to as the "usual type") occurs in the upper atrial septum and is contiguous with the superior vena cava (SVC). (medscape.com)
  • The remainder of the atrial septum is denoted by the duo of white open arrows. (medscape.com)
  • The quartet of white open arrows points to the remainder of the atrial septum. (medscape.com)
  • The remainder of the atrial septum is just out of the view of this sector but is represented by the white open arrowheads. (medscape.com)
  • This is the same patient as in Panel A. This view proves that the rostral portion of the atrial septum (which would be missing in a patient with a sinus venosus defect of the SVC type) is intact. (medscape.com)
  • The atrial septum is the wall that separates the left and right atria. (achaheart.org)
  • If there is a hole in the atrial septum, it is called an atrial septal defect (ASD). (achaheart.org)
  • The atrial septum forms between the fourth week and fifth week of gestation. (achaheart.org)
  • An atrial septal defect (ASD) is an opening in the interatrial septum, causing a left-to-right shunt and volume overload of the right atrium and right ventricle. (msdmanuals.com)
  • One specific CDH, Atrial Septal Defect (ASD), causes a hole to form in the septum that divides the right and left atria. (elioacademy.org)
  • A sinus venosus defect, an atrial septum defect, an enlarged right atrium and a persisting left superior vena cava are shown. (itnonline.com)
  • The middle internodal tract begins at the superior and posterior margins of the sinus node, travels behind the SVC to the crest of the interatrial septum, and descends in the interatrial septum to the superior margin of the AV node. (medscape.com)
  • It is at the apex of a triangle formed by the tricuspid annulus and the tendon of Todaro, which originates in the central fibrous body and passes posteriorly through the atrial septum to continue with the eustachian valve (see the images below). (medscape.com)
Ostium2
  • Ostium secundum atrial septal defect of 1.1 cm with left to right shunt, great vessels side to side, the pulmonary artery located to the right and aorta to the left. (scirp.org)
  • Atrioventricular Septal Defect Atrioventricular (AV) septal defect consists of an ostium primum type atrial septal defect and a common AV valve, with or without an associated inlet (AV septal type) ventricular septal defect. (msdmanuals.com)
Right atrium1
  • The SA node is located less than 1 mm from the epicardial surface, laterally in the right atrial sulcus terminalis at the junction of the anteromedial aspect of the superior vena cava (SVC) and the right atrium (RA). (medscape.com)
Intra-atrial4
  • 5 In fact, about 11 % of patients with CHD develop atrial arrhythmias (intra-atrial reentrant tachycardia [IART] and AF), with the risk being higher in patients with right-sided heart lesions. (aerjournal.com)
  • Anatomic evidence suggests the presence of 3 intra-atrial pathways: (1) anterior internodal pathway, (2) middle internodal tract, and (3) posterior internodal tract. (medscape.com)
  • in 42 patients (80.7%), an intra-atrial lateral tunnel was constructed with a bovine pericardium patch. (unifesp.br)
  • the last 10 patients with an intra-atrial conduit (IAC) presented with sinus rhythm and no arrhythmias during the last 4 years. (unifesp.br)
Posterior1
  • Superior sinus venosus atrial septal defect (SVASD) results from a defect in the atrial wall that forms the posterior wall of the superior vena cava (SVC) and the anterior wall of the right upper pulmonary vein (RUPV). (archivestsc.com)
Persistent2
  • This review will shed light on the procedural techniques, success rates and complications of AF catheter ablation in patients with different types of CHD, including atrial septal defects, tetralogy of Fallot, persistent left superior vena cava, heterotaxy syndrome and atrial isomerism, and Ebstein anomaly. (aerjournal.com)
  • Persistent moderate to large ASDs result in large shunts, leading to right atrial and right ventricular volume overload. (msdmanuals.com)
Mitral4
  • Mitral stenosis, which is either congenital or acquired, may also exacerbate the atrial level left-to-right shunt. (medscape.com)
  • In four-chamber view, atrioventricular discordance was detected with severe tricuspid regurgitation (vena contracta = 9.3 mm) and dysplasia of the mitral leaflets with severe mitral regurgitation (vena contracta = 10.3 mm) by color Doppler, Video 1. (scirp.org)
  • She was born with an unusual atrial and ventricular septal defect, a cleft mitral and tricuspid valve, and left superior vena cava to coronary sinus without a bridging vein. (littlehearts.org)
  • We present a case of a patient with a large left atrial thrombus in the setting of previous mitral valve sten. (clinmedjournals.org)
Aortic1
  • After aortic cross-clamp was applied, antegrade cold blood cardioplegia was administered, and a left atrial incision was performed. (ctsnet.org)
Septal defects account2
  • Atrial septal defects account for about 10-15% of all congenital cardiac anomalies and are the most common congenital cardiac lesion presenting in children and adults. (medscape.com)
  • [ 1 ] Sinus venosus atrial septal defects account for only 10% of atrial septal defects. (medscape.com)
Defects4
  • 1%). Most children with sinus venosus atrial septal defects are asymptomatic but may develop symptoms as they age. (medscape.com)
  • Atrial septal defects occur as associated anomalies in many major complex congenital lesions but sinus venosus atrial septal defects occur more often as an isolated abnormality. (medscape.com)
  • The TLL1 gene (Tolloid Like 1) is implicated in Atrial Septal Heart Defects (refer to Figure 6 ). (elioacademy.org)
  • Percutaneous device closure of atrial septal defects (ASD) has proven to be safe and it is nowadays the standard treatment for ASDs. (openaccesspub.org)
Pacemaker4
  • However, in the instance of either a malfunctioning SA node or an ectopic focus bearing an intrinsic rate superior to SA node rate, ectopic pacemaker activity may take over the natural heart rhythm. (wikipedia.org)
  • An ectopic pacemaker located in the atria is known as an atrial pacemaker and can cause the atrial contraction to be faster. (wikipedia.org)
  • After SA node excision, a stable, regular subsidiary atrial pacemaker rhythm resulted. (silverchair.com)
  • ALTHOUGH extensive research has been conducted on differences in automaticity between the sinoatrial (SA) node and various subsidiary atrial pacemakers in conscious animals, [1-11] little attention has been paid to the impact of volatile anesthetic agents on SA node dysfunction and subsidiary atrial pacemaker rhythms. (silverchair.com)
Sinus venosus defect1
  • Panel A. Transesophageal echocardiogram (transverse view) of a patient with a sinus venosus defect of the superior vena cava (SVC) type. (medscape.com)
Ventricular3
  • For example, systemic hypertension in an adult with a sinus venosus atrial septal defect may result in left ventricular hypertrophy and reduce left ventricular compliance, which, in turn, exacerbates the atrial level left-to-right shunt. (medscape.com)
  • We hypothesized that epinephrine enhances atrial, atrioventricular junctional, and ventricular dysrhythmias after SA node excisions in dogs and that inhalation anesthetics would facilitate such dysrhythmias. (silverchair.com)
  • Time course of atrial, ventricular, and outflow septation were outlined and followed a similar sequence in both species. (edu.au)
Arrhythmias2
  • Patients with atrial septal defect (ASD) are prone to developing different types of atrial arrhythmias. (aerjournal.com)
  • Children are rarely symptomatic, but long-term complications after 20 years of age include pulmonary hypertension, heart failure, paradoxical emboli, and atrial arrhythmias. (msdmanuals.com)
Ectopic1
  • During atrial ectopic activity where the P wave is normally rounded can be inverted or peaked. (wikipedia.org)
Vein3
  • The original defect (white star burst) has been repaired by placing a baffle (arrows), which directs blood from the anomalously connected right upper pulmonary vein into the left atrium (LA). In this patient, the baffle was redundant so at a more rostral level (Panel B), it could be seen (black open arrows) to bulge into the superior vena cava (SVC)-right atrial (RA) junction (trio of white arrows). (medscape.com)
  • A computed tomography (CT) scan showed ischemia of the small intestines as a result of superior mesenteric vein thrombosis. (biomedcentral.com)
  • The cavo-atrial junction is the area where the superior vena cava, the large vein in the chest, meets with the heart. (vascularwellness.com)
Left7
  • The computed tomography corroborated these findings and additionally showed a left superior vena cava and an abnormal origin of the coronary arteries. (scirp.org)
  • We present a rare case of an adult woman with L-TGA associated with Ebstein's anomaly, left superior vena cava and pulmonary hypertension diagnosed by non-invasive imaging and computed tomography. (scirp.org)
  • Prevention strategies may include reducing left atrial size along with treatment by surgical removal. (clinmedjournals.org)
  • C) Anterior view of three-dimensional reconstruction shows a partial anomalous pulmonary venous connection of two separate lung veins from the right upper and middle lobe to the right superior vena cava (red arrows) and a persisting left superior vena cava (yellow arrow). (itnonline.com)
  • This band continues to the left atrium (LA), with the anterior internodal pathway entering the superior margin of the AV node. (medscape.com)
  • This closed the superior SVASD and redirecting the anomalous RUPV behind the stent into the left atrium. (archivestsc.com)
  • bed into the left ventricle, from where or intramyocardial, However, when a Most patients with calcification of it could reach any part of the body cyst is located in subendocardial en- the cyst wall remain asymptomatic for through systemic circulation [1-3]. (who.int)
Distal2
  • An emergency CT scan of the abdomen revealed occlusion of the distal superior mesenteric artery. (biomedcentral.com)
  • A PICC line functions best in most scenarios with its distal tip in the cavo-atrial junction. (vascularwellness.com)
Sulcus terminalis1
  • In eight dogs, SA nodes were excised and epicardial electrodes implanted at the atrial appendages, at the His bundle, and along the sulcus terminalis. (silverchair.com)
Congenital Heart1
  • Atrial septal defect (ASD) is the fourth most common congenital heart defect, with an incidence of 2.78 per 10,000 live births. (openaccesspub.org)
Venous3
  • The cardiac developmental sequences observed in mouse and human fetuses are comparable, with minor differences in atrial and venous morphology. (edu.au)
  • The level at which the jugular venous pulse is visible gives an indication of right atrial pressure. (nursenacole.com)
  • The diagnosis was confirmed at PCCT, and PCCT allowed for visualization of the partial anomalous pulmonary venous connection of two separate lung veins from the right upper and middle lobe to the right superior vena cava. (itnonline.com)
Junction1
  • One defibrillating electrode was located intravascularly in the superior vena cava (SVC) at the right atrial junction. (implantable-device.com)
Appendages1
  • in human fetuses, atrial appendages were small, and a single right superior vena cava was present. (edu.au)
Flutter1
Associated with sinus1
  • Among cases of RUL PAPVR, 42% were associated with sinus venosus atrial septal defect (ASD). (wustl.edu)
Arrhythmia1
  • AF is a less common cause of atrial arrhythmia in CHD, but its prevalence is increasing in these patients because of improved survival to older age. (aerjournal.com)
Percutaneous1
  • 2 Percutaneous atrial septal defect closure using the Amplatzer septal occluder (ABBOTT) or many other devices is an established alternative treatment to the classical surgery with excellent safety, clinical outcome, being an effective procedure. (openaccesspub.org)
Node2
  • Subsidiary atrial pacemakers assume control after sinoatrial (SA) node excision, and anesthetic-catecholamine interactions can produce severe bradycardia during isoflurane anesthesia. (silverchair.com)
  • The human SA node contains a more than 3-fold greater density of beta-adrenergic and muscarinic cholinergic receptors than the adjacent atrial tissue. (medscape.com)
Contraction1
  • Both atria contract together, as do the ventricles, but atrial contraction occurs first. (medscape.com)
Cardiopulmonary1
Mesenteric artery1
  • Another laparotomy was performed, and a thrombectomy of the superior mesenteric artery was carried out, together with a revision of the anastomosis of the bowels. (biomedcentral.com)
Closure1
  • A couple of isolated reports of systemic allergic reaction to nickel-containing atrial septal closure devices are found in the literature. (openaccesspub.org)
Abnormal1
  • If abnormal resorption of the sinus venosus occurs, an atrial septal defect results near the orifice of either the SVC or IVC. (medscape.com)
Heart2
  • Distortion of the superior vena cava by this mediastinal shift can result in decreased blood return to the heart, circulatory compromise, and shock. (medscape.com)
  • The jugular veins , which empty directly into the superior vena cava, reflect the activity of the right side of the heart and offer clues to its competency. (nursenacole.com)
Systemic1
  • Systemic blood flow can be estimated by measuring flow in the superior vena cava (SVC). (bmj.com)