valve and supravalvar mitral ring - Heart
... and the other to the kink in the greatly enlarged circumflex left coronary artery, at the point where it passes into the atrioventricular groove. This is an external landmark of the mitral annulus. This interpretation of the appearances resulted from multiple comparisons of the position of the circu ...
... and the other to the kink in the greatly enlarged circumflex left coronary artery, at the point where it passes into the atrioventricular groove. This is an external landmark of the mitral annulus. This interpretation of the appearances resulted from multiple comparisons of the position of the circu ...
Anomalies of cardiac venous drainage associated with
... cava, although associated with other cardiac malformations more frequently than expected by chance, is usually an innocent finding[5–8], though it can cause problems with pacemaker lead implantation[7]. This view is disputed by others who state that left superior vena cava is usually associated with ...
... cava, although associated with other cardiac malformations more frequently than expected by chance, is usually an innocent finding[5–8], though it can cause problems with pacemaker lead implantation[7]. This view is disputed by others who state that left superior vena cava is usually associated with ...
Surgery for Atrial Fibrillation: Selecting the Procedure for the
... reviewed and an algorithm for the surgical management of the patient with AF, suggesting which technique applies better to which patient, under specific settings, will also be proposed. ...
... reviewed and an algorithm for the surgical management of the patient with AF, suggesting which technique applies better to which patient, under specific settings, will also be proposed. ...
Coil occlusion of systemic venous collaterals in - Heart
... though a significant increase, was still considerably lower than the saturations of those without collaterals. This seems to indicate the presence of a small leak through the coils that was not detectable by angiography. However, by the following day there was no difference in peripheral saturation ...
... though a significant increase, was still considerably lower than the saturations of those without collaterals. This seems to indicate the presence of a small leak through the coils that was not detectable by angiography. However, by the following day there was no difference in peripheral saturation ...
radiofrequency catheter ablation for supraventricular tachycardias
... charm of this treatment modality is that most of the patients, once treated with EP/RFA, can have complete cure of their arrhythmia, and do not require any further drug therapy or follow-up. ...
... charm of this treatment modality is that most of the patients, once treated with EP/RFA, can have complete cure of their arrhythmia, and do not require any further drug therapy or follow-up. ...
ESC Guidelines for the management of grown-up congenital heart disease
... are still lacking and can be assumed to change constantly. The remarkable improvement in survival of patients with CHD has led to a continuously growing number of GUCH patients, in particular those with more complex disease. In addition, some defects [e.g. atrial septal defect (ASD), coarctation of ...
... are still lacking and can be assumed to change constantly. The remarkable improvement in survival of patients with CHD has led to a continuously growing number of GUCH patients, in particular those with more complex disease. In addition, some defects [e.g. atrial septal defect (ASD), coarctation of ...
Innocent Heart Murmurs
... normal flow across relatively small pulmonary arteries (the peripheral pulmonary flow murmur) or could be caused by increased blood flow across normal pulmonary arteries. The pathologic cause of increased flow across normal pulmonary arteries would be an atrial septal defect (the physical examinatio ...
... normal flow across relatively small pulmonary arteries (the peripheral pulmonary flow murmur) or could be caused by increased blood flow across normal pulmonary arteries. The pathologic cause of increased flow across normal pulmonary arteries would be an atrial septal defect (the physical examinatio ...
Interventional cardiac catheterization
... lesion (148,160). Histologically, vascular stenoses present a spectrum from normal to exaggerated internal or medial hyperplasia with alterations in the proportions of elastin, collagen, and smooth muscle (5). The lesions acquired after surgery have in addition mural and perivascular fibrosis (15,28 ...
... lesion (148,160). Histologically, vascular stenoses present a spectrum from normal to exaggerated internal or medial hyperplasia with alterations in the proportions of elastin, collagen, and smooth muscle (5). The lesions acquired after surgery have in addition mural and perivascular fibrosis (15,28 ...
Full Text:PDF - The Turkish Journal of Pediatrics
... rate can result in left ventricular dysfunction in infants because of difficulties in recognizing onset of paroxysm. Augmented atrial excitability and short refractory period due to prevailing cholinergic innervation determine the high rate of atrial tachycardia and inadequate myocardial inotropy - ...
... rate can result in left ventricular dysfunction in infants because of difficulties in recognizing onset of paroxysm. Augmented atrial excitability and short refractory period due to prevailing cholinergic innervation determine the high rate of atrial tachycardia and inadequate myocardial inotropy - ...
Ebstein™s anomaly - Swiss Medical Weekly
... hemodynamic variables, associated malformations and management options are essential. Management of EA patients is complex. Thus it is important that these patients are regularly seen by a cardiologist with expertise in congenital heart disease. Key words: Ebstein’s anomaly; tricuspid valve repair; ...
... hemodynamic variables, associated malformations and management options are essential. Management of EA patients is complex. Thus it is important that these patients are regularly seen by a cardiologist with expertise in congenital heart disease. Key words: Ebstein’s anomaly; tricuspid valve repair; ...
ESC Guidelines for the management of grown
... pulmonary artery pressure patent ductus arteriosus patent foramen ovale protein-losing enteropathy pacemaker percutaneous pulmonary valve implantation pulmonary regurgitation pulmonary stenosis pulmonary vascular resistance pulmonary valve replacement right atrium right-to-left shunt right pulmonary ...
... pulmonary artery pressure patent ductus arteriosus patent foramen ovale protein-losing enteropathy pacemaker percutaneous pulmonary valve implantation pulmonary regurgitation pulmonary stenosis pulmonary vascular resistance pulmonary valve replacement right atrium right-to-left shunt right pulmonary ...
Quantification of left and right atrial kinetic energy using four
... amount of blood to the systemic and pulmonary circulation. The external work performed by the heart can be divided into kinetic energy (KE) and stroke work. Stroke work constitutes the vast majority (about 99%) of the external work of the left ventricle (LV) at rest (30, 31) and slightly less (94%) ...
... amount of blood to the systemic and pulmonary circulation. The external work performed by the heart can be divided into kinetic energy (KE) and stroke work. Stroke work constitutes the vast majority (about 99%) of the external work of the left ventricle (LV) at rest (30, 31) and slightly less (94%) ...
The Spatial Characteristics of Atrial Activation in
... anomalous P waves which follow the QRS complexes at fixed intervals. This analysis suggests that the course of the anomalous atrial activation is consistent with an A-V nodal origin of impulses in a minority of cases only, while in the majority the depolarization process seems to originate in variou ...
... anomalous P waves which follow the QRS complexes at fixed intervals. This analysis suggests that the course of the anomalous atrial activation is consistent with an A-V nodal origin of impulses in a minority of cases only, while in the majority the depolarization process seems to originate in variou ...
Adenosine-Provoked Atrial Fibrillation Originating From€Non
... was evaluated by using the log-rank test. The proportional hazards assumption was investigated graphically, with a test based on Schoenfeld residuals. The following variables were evaluated in association with being arrhythmia-free after the procedure: age, sex, body mass index, presence of structur ...
... was evaluated by using the log-rank test. The proportional hazards assumption was investigated graphically, with a test based on Schoenfeld residuals. The following variables were evaluated in association with being arrhythmia-free after the procedure: age, sex, body mass index, presence of structur ...
Mechanisms With Clinical Implications for Atrial Fibrillation
... Inc., by Wiley Blackwell. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. ...
... Inc., by Wiley Blackwell. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. ...
Fulltext: english,
... Due to the fact that symptoms of the disease usually develop gradually, patients visit physicians due to the symptoms many years after pathophysiologic process which causes the diseases started. Typical symptoms which are reason for referring to physician are: exercise intolerance, shortness of brea ...
... Due to the fact that symptoms of the disease usually develop gradually, patients visit physicians due to the symptoms many years after pathophysiologic process which causes the diseases started. Typical symptoms which are reason for referring to physician are: exercise intolerance, shortness of brea ...
Guidelines ESC VD 2010 - Working Group for Echocardiography
... values of right heart size and function. In all studies, the sonographer and physician should examine the right heart using multiple acoustic windows, and the report should represent an assessment based on qualitative and quantitative parameters. The parameters to be performed and reported should in ...
... values of right heart size and function. In all studies, the sonographer and physician should examine the right heart using multiple acoustic windows, and the report should represent an assessment based on qualitative and quantitative parameters. The parameters to be performed and reported should in ...
Guidelines for the Echocardiographic Assessment of the Right Heart
... values of right heart size and function. In all studies, the sonographer and physician should examine the right heart using multiple acoustic windows, and the report should represent an assessment based on qualitative and quantitative parameters. The parameters to be performed and reported should in ...
... values of right heart size and function. In all studies, the sonographer and physician should examine the right heart using multiple acoustic windows, and the report should represent an assessment based on qualitative and quantitative parameters. The parameters to be performed and reported should in ...
Atrial Fibrillation and Atrial Flutter - MC2893
... arrhythmia. For example, less than one in every 100 people in their 50s has atrial fibrillation, but about 10 in every 100 people in their 80s have it. During atrial fibrillation both atria beat without coordination, sometimes as fast as 300 to 400 times per minute. Instead of beginning in the sinus ...
... arrhythmia. For example, less than one in every 100 people in their 50s has atrial fibrillation, but about 10 in every 100 people in their 80s have it. During atrial fibrillation both atria beat without coordination, sometimes as fast as 300 to 400 times per minute. Instead of beginning in the sinus ...
Role of Left Ventricular Diastolic Dysfunction in Predicting
... Dec 2012-Jan 2013 | Vol 5 | Issue 4 ...
... Dec 2012-Jan 2013 | Vol 5 | Issue 4 ...
In situ cardiac perfusion reveals interspecific variation of
... opportunity for the mixing of oxygen-rich and oxygen-poor blood (intracardiac shunting) (Hicks, 2002; Hicks and Wang, 2012; Jensen et al., 2014). Intracardiac shunting may be described as right-to-left (R-L), i.e. oxygen-poor blood recirculating in the systemic circulation (pulmonary bypass), or lef ...
... opportunity for the mixing of oxygen-rich and oxygen-poor blood (intracardiac shunting) (Hicks, 2002; Hicks and Wang, 2012; Jensen et al., 2014). Intracardiac shunting may be described as right-to-left (R-L), i.e. oxygen-poor blood recirculating in the systemic circulation (pulmonary bypass), or lef ...
Heart Sounds
... to perform the Valsalva maneuver. What is the most likely underlying cardiac abnormality? 1. Aortic stenosis ...
... to perform the Valsalva maneuver. What is the most likely underlying cardiac abnormality? 1. Aortic stenosis ...
Diurnal variations of the dominant cycle length of chronic atrial
... recording. The search for such a segment and, subsequently, in the analysis of atrial cycle length was driven by the quality of the original. The same procedure was repeated for each hour of each recording. Initially, the segment of the first 5 min of the hour was taken. If there was low signal-to-n ...
... recording. The search for such a segment and, subsequently, in the analysis of atrial cycle length was driven by the quality of the original. The same procedure was repeated for each hour of each recording. Initially, the segment of the first 5 min of the hour was taken. If there was low signal-to-n ...
Assessment of the Right Ventricle by Echocardiography: A Primer for
... velocity envelope; (3) measure the RV ejection time from the pulmonary Doppler tracing; (4) subtract the RV ejection time from the time duration (TV A wave to E wave): the difference in time is the sum of isovolumic time; and (5) divide by the RV ejection time (Figure 5). In patients with holosystol ...
... velocity envelope; (3) measure the RV ejection time from the pulmonary Doppler tracing; (4) subtract the RV ejection time from the time duration (TV A wave to E wave): the difference in time is the sum of isovolumic time; and (5) divide by the RV ejection time (Figure 5). In patients with holosystol ...
Position of the Heart and the
... Downloaded from http://circ.ahajournals.org/ by guest on June 18, 2017 ...
... Downloaded from http://circ.ahajournals.org/ by guest on June 18, 2017 ...
Atrial septal defect
Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart. Normally, the atria are separated by a dividing wall, the interatrial septum. If this septum is defective or absent, then oxygen-rich blood can flow directly from the left side of the heart to mix with the oxygen-poor blood in the right side of the heart, or vice versa. This can lead to lower-than-normal oxygen levels in the arterial blood that supplies the brain, organs, and tissues. However, an ASD may not produce noticeable signs or symptoms, especially if the defect is small.A ""shunt"" is the presence of a net flow of blood through the defect, either from left to right or right to left. The amount of shunting present, if any, determines the hemodynamic significance of the ASD. A ""right-to-left-shunt"" typically poses the more dangerous scenario.During development of the fetus, the interatrial septum develops to separate the left and right atria. However, a hole in the septum called the foramen ovale, allows blood from the right atrium to enter the left atrium during fetal development. This opening allows blood to bypass the nonfunctional fetal lungs while the fetus obtains its oxygen from the placenta. A layer of tissue called the septum primum acts as a valve over the foramen ovale during fetal development. After birth, the pressure in the right side of the heart drops as the lungs open and begin working, causing the foramen ovale to close entirely. In approximately 25% of adults, the foramen ovale does not entirely seal. In these cases, any elevation of the pressure in the pulmonary circulatory system (due to pulmonary hypertension, temporarily while coughing, etc.) can cause the foramen ovale to remain open. This is known as a patent foramen ovale (PFO), which is a type of atrial septal defect.