Role of Inflammation in Initiation and Perpetuation of Atrial
... cardiac afterload, decrease in myocardial wall stress, reduction of sympathetic tone, modification of cardiac ion channel function and regression of myocardial fibrosis.43 AF occurrence might putatively be reduced by targeting several already known initiating and maintaining factors including atrial ...
... cardiac afterload, decrease in myocardial wall stress, reduction of sympathetic tone, modification of cardiac ion channel function and regression of myocardial fibrosis.43 AF occurrence might putatively be reduced by targeting several already known initiating and maintaining factors including atrial ...
COMPUTATIONAL MECHANICS TOWARDS IMPROVED UNDERSTANDING OF THE BIOMECHANICS OF
... The link between engineering and medicine has in recent times converged, the professionals on both sides of the fields come together to better understand the structural and mechanical characteristics of varies body parts and organs. This new way of thinking of problems that have simply questions but ...
... The link between engineering and medicine has in recent times converged, the professionals on both sides of the fields come together to better understand the structural and mechanical characteristics of varies body parts and organs. This new way of thinking of problems that have simply questions but ...
PACING INITIAL ASSESSMENT Successful and non
... You should also see each atrial pacing spike, usually followed by a p wave then a narrow QRS after a brief delay at the AV NODE If you are pacing the atrium and the QRS complex becomes abruptly wide without a P wave or AV interval then what you believe to be your atrial wires may not be. but also, b ...
... You should also see each atrial pacing spike, usually followed by a p wave then a narrow QRS after a brief delay at the AV NODE If you are pacing the atrium and the QRS complex becomes abruptly wide without a P wave or AV interval then what you believe to be your atrial wires may not be. but also, b ...
The role of increased pulmonary blood flow in pulmonary
... showed increased morbidity and mortality. This was associated with increased pulmonary-to-systemic artery pressure ratios, increased right ventricular hypertrophy and dilatation, and a higher incidence of tricuspid valve regurgitation. Pulmonary vascular histopathology and morphometry revealed no ad ...
... showed increased morbidity and mortality. This was associated with increased pulmonary-to-systemic artery pressure ratios, increased right ventricular hypertrophy and dilatation, and a higher incidence of tricuspid valve regurgitation. Pulmonary vascular histopathology and morphometry revealed no ad ...
Anomalous origin of the right pulmonary artery from the ascending
... pathological entity. The anomalous origin of the right pulmonary branch from the ascending aorta is 5-8 times more frequent than that of the left pulmonary artery7. Embryologically, it is caused by incomplete migration towards the left of the right sixth aortic arch. According to C. Cucci, it may re ...
... pathological entity. The anomalous origin of the right pulmonary branch from the ascending aorta is 5-8 times more frequent than that of the left pulmonary artery7. Embryologically, it is caused by incomplete migration towards the left of the right sixth aortic arch. According to C. Cucci, it may re ...
Management of Paradoxical Low-Flow, Low
... is often associated with a LG, even with severe stenosis. However, flow and gradient are not synonymous and provide complementary information; flow is of prognostic importance as a marker for reduced cardiac pump function and worse outcomes, whereas gradient is of diagnostic importance because a LG wi ...
... is often associated with a LG, even with severe stenosis. However, flow and gradient are not synonymous and provide complementary information; flow is of prognostic importance as a marker for reduced cardiac pump function and worse outcomes, whereas gradient is of diagnostic importance because a LG wi ...
Right Heart Adaptation to Pulmonary Arterial€Hypertension
... often indicates severe limitations in flow reserve. As in leftsided heart failure, RHF can also lead to chronic kidney disease and hyponatremia (26). Shah et al. (27) showed that chronic kidney disease in patients with PAH is associated with increased right atrial pressure and a higher likelihood of ...
... often indicates severe limitations in flow reserve. As in leftsided heart failure, RHF can also lead to chronic kidney disease and hyponatremia (26). Shah et al. (27) showed that chronic kidney disease in patients with PAH is associated with increased right atrial pressure and a higher likelihood of ...
Aortic stenosis: Who should undergo surgery, transcatheter valve
... death rate once symptoms develop. Drug therapy for it remains ineffective, and surgical aortic valve replacement is the only effective long-term treatment. We discuss the indications for this surgery, with an emphasis on controversial conditions in which the indications are less well defined. ...
... death rate once symptoms develop. Drug therapy for it remains ineffective, and surgical aortic valve replacement is the only effective long-term treatment. We discuss the indications for this surgery, with an emphasis on controversial conditions in which the indications are less well defined. ...
BLSEKGLP
... EMS providers have an active role in Emergency Cardiac Care in Washington state. During this course we will review our pre-hospital protocol guidelines related to the care and transport of patients with ACS. We’ll also review the Washington State Cardiac Triage Tool and review the levels of cardiac ...
... EMS providers have an active role in Emergency Cardiac Care in Washington state. During this course we will review our pre-hospital protocol guidelines related to the care and transport of patients with ACS. We’ll also review the Washington State Cardiac Triage Tool and review the levels of cardiac ...
this PDF file
... Peter S. ECG features of ARVD/C A very good option is describe arrhyhmogenic cardiomyopathy by ECG is the appearance of so-called epsilon waves[2,7]. Epsilon waves are major criteria in the definition of arrhythmogenic cardiomyopathy very well characterising conduction delay of the right ventricle. ...
... Peter S. ECG features of ARVD/C A very good option is describe arrhyhmogenic cardiomyopathy by ECG is the appearance of so-called epsilon waves[2,7]. Epsilon waves are major criteria in the definition of arrhythmogenic cardiomyopathy very well characterising conduction delay of the right ventricle. ...
01_Paper_Totally dilated right coronary artery
... artery, and RCA had uniform thickness of its wall without atheromatous plaques and no large branch, although small arteries were microscopically detected. RCA showed marked sclerosis and calcification at the peripheral part where the artery entered the cardiac muscle, as shown in Fig.3. The right ve ...
... artery, and RCA had uniform thickness of its wall without atheromatous plaques and no large branch, although small arteries were microscopically detected. RCA showed marked sclerosis and calcification at the peripheral part where the artery entered the cardiac muscle, as shown in Fig.3. The right ve ...
Right Ventricular Compression as a Sign of Cardiac
... laterally to provide images of all intracardiac chambers and valves. End-diastolic and end-systolic dimensions of the ventricles were measured in the minor axis, defined as the level of the superior margin of the mitral valve chordae tendineae. This level was slightly more basal than that suggested ...
... laterally to provide images of all intracardiac chambers and valves. End-diastolic and end-systolic dimensions of the ventricles were measured in the minor axis, defined as the level of the superior margin of the mitral valve chordae tendineae. This level was slightly more basal than that suggested ...
Situs Inversus Totalis- A Case Report Abstract Introduction Case
... all visceral organs are reversed from their normal position and when associated with right sided (dextrocardia) it is referred as Situs Inversus Totalis 1. Except for anomaly of position the hearts of such individuals remain normal 2, 3. When Situs Inversus is accompanied by sinusitis and bronchiect ...
... all visceral organs are reversed from their normal position and when associated with right sided (dextrocardia) it is referred as Situs Inversus Totalis 1. Except for anomaly of position the hearts of such individuals remain normal 2, 3. When Situs Inversus is accompanied by sinusitis and bronchiect ...
Pulmonary vein abnormalities into the human left atrium
... pulmonary vein and four orifices emptying into the left atria, consistent with the two superior and two inferior branches [1]. In most cases, the unitary pulmonary vein develops on the posterior atrial wall and its branches are fused into the left atrium. In embryogenesis, the degree of integration ...
... pulmonary vein and four orifices emptying into the left atria, consistent with the two superior and two inferior branches [1]. In most cases, the unitary pulmonary vein develops on the posterior atrial wall and its branches are fused into the left atrium. In embryogenesis, the degree of integration ...
2015 ACC/HRS/SCAI Left Atrial Appendage Occlusion Device
... more limited due to the lack of clinical trials data for any these devices aside from the WATCHMAN. The 2012 Focused Update to the European Society of Cardiology Guidelines for the Management of Atrial Fibrillation (8) call for “LAA closure/occlusion/excision” using percutaneous technologies in pati ...
... more limited due to the lack of clinical trials data for any these devices aside from the WATCHMAN. The 2012 Focused Update to the European Society of Cardiology Guidelines for the Management of Atrial Fibrillation (8) call for “LAA closure/occlusion/excision” using percutaneous technologies in pati ...
Full Pages - IMIB-CHD
... Double outlet right ventricle (DORV) encompasses a wide spectrum of anatomic malformations that are characterized by origin of both arterial trunks from the right ventricle. Because of the extreme heterogeneity ...
... Double outlet right ventricle (DORV) encompasses a wide spectrum of anatomic malformations that are characterized by origin of both arterial trunks from the right ventricle. Because of the extreme heterogeneity ...
Congenital Anomalies of the Superior Vena Cava: A CT Study
... two anterior cardinal veins; this channel becomes the left innominate vein, presumably derived from the union of smaller thyroid or thymic branches of the primitive jugular veins.2 The segment of the right anterior cardinal vein that lies caudal to this anastomosis, together with the right common ca ...
... two anterior cardinal veins; this channel becomes the left innominate vein, presumably derived from the union of smaller thyroid or thymic branches of the primitive jugular veins.2 The segment of the right anterior cardinal vein that lies caudal to this anastomosis, together with the right common ca ...
The normal and diseased pericardium: Current concepts of
... stroke volumes (however, heart rates in clinical tamponade are often only modestly increased) . Adrenergic stimulation also increases peripheral resistan ce to support decreasing arterial pressure, but a most important consequence is its inotropic effect. which impro ves the ejection fraction as a r ...
... stroke volumes (however, heart rates in clinical tamponade are often only modestly increased) . Adrenergic stimulation also increases peripheral resistan ce to support decreasing arterial pressure, but a most important consequence is its inotropic effect. which impro ves the ejection fraction as a r ...
Indications, Results and Mortality of Pulmonary Artery Banding
... and overall cardiac function. Any impingement or stenosis of the branch pulmonary arteries can also be observed with this study. Rarely, cardiac catheterization and direct measurement of PA pressure and band gradient is necessary. More recently, cinemagnetic resonance imaging and 3-dimensional recon ...
... and overall cardiac function. Any impingement or stenosis of the branch pulmonary arteries can also be observed with this study. Rarely, cardiac catheterization and direct measurement of PA pressure and band gradient is necessary. More recently, cinemagnetic resonance imaging and 3-dimensional recon ...
VENTRICULAR BRADYCARDIA I
... lariZations. The origin of a tachyarrhythmia is determined from an observation of Which fat pad, When stimulated, induces a predetermined change in the cardiac rhythm. If no change in the ventricular rate is observed upon stimulation of either fat pad, the ventricle is deemed the origin; Whereas if ...
... lariZations. The origin of a tachyarrhythmia is determined from an observation of Which fat pad, When stimulated, induces a predetermined change in the cardiac rhythm. If no change in the ventricular rate is observed upon stimulation of either fat pad, the ventricle is deemed the origin; Whereas if ...
Presentation (PowerPoint File) - IPAM
... Why does it matter? The recent recognition that up to 50% of patients admitted to hospitals with congestive heart failure have ‘normal systolic function’ as reflected by ejection fraction, has further emphasized the need to more fully understand the physiology of diastole. UCLA/IPAM 2/6/06 ...
... Why does it matter? The recent recognition that up to 50% of patients admitted to hospitals with congestive heart failure have ‘normal systolic function’ as reflected by ejection fraction, has further emphasized the need to more fully understand the physiology of diastole. UCLA/IPAM 2/6/06 ...
Impacts of aortic stenosis and hypertension on left ventricular
... Concentric left ventricular hypertrophy is an adaptive mechanism compensating for pressure overload mainly by an increase of the myocardial wall thickness. But ultimately, left ventricular hypertrophy may lead to the development of myocardial ischemia, symptoms (i.e. angina, shortness of breath, diz ...
... Concentric left ventricular hypertrophy is an adaptive mechanism compensating for pressure overload mainly by an increase of the myocardial wall thickness. But ultimately, left ventricular hypertrophy may lead to the development of myocardial ischemia, symptoms (i.e. angina, shortness of breath, diz ...
online supplement
... (RVD) and wall thickness (RVWT) at end-cardiac diastole were measured. The M-mode spectrum was also obtained in parasternal short axis view at the level of papillary muscles, and left ventricular (LV) dimensions at both end-cardiac diastole (LVDd) and systole (LVDs) were measured. The thickness of L ...
... (RVD) and wall thickness (RVWT) at end-cardiac diastole were measured. The M-mode spectrum was also obtained in parasternal short axis view at the level of papillary muscles, and left ventricular (LV) dimensions at both end-cardiac diastole (LVDd) and systole (LVDs) were measured. The thickness of L ...
4 Jugular Venous Pulse
... The v wave is therefore the venous filling wave in the atrium (named originally after ventricular systole). It occurs during a later phase of ventricular systole. The level to which the v wave pressure can be built up in the presence of an intact tricuspid valve depends not only on the right atrial ...
... The v wave is therefore the venous filling wave in the atrium (named originally after ventricular systole). It occurs during a later phase of ventricular systole. The level to which the v wave pressure can be built up in the presence of an intact tricuspid valve depends not only on the right atrial ...
Idiopathic Ventricular Tachycardia: Transcatheter Ablation
... the RVOT, not more than 25 W-30 W are used, while less energy power is usually employed for sites like aortic root, aortic cusps and ablation within the coronary venous system.4 One also could consider to use an non-irrigated ablation catheter as a conventional one, when ablating within the cusps. I ...
... the RVOT, not more than 25 W-30 W are used, while less energy power is usually employed for sites like aortic root, aortic cusps and ablation within the coronary venous system.4 One also could consider to use an non-irrigated ablation catheter as a conventional one, when ablating within the cusps. I ...
Lutembacher's syndrome
Lutembacher's syndrome is a form of congenital heart disease. Lutembacher's syndrome was first described by a French cardiologist by the name of Rene' Lutembacher (1884–1968) of Paris, France in 1916. Lutembacher syndrome is a rare disease that affects one of the chambers of the heart as well as a valve of the heart. Lutembacher's syndrome is known to affect females more often than males. Lutembacher is an extremely rare disease. Lutembacher's can affect children or adults; the person can either be born with the disorder or develop it later in life.Lutembacher affects more specifically the atria of the heart and the mitral or biscupid valve. The disorder itself is known more specifically as both congenital atrial septal defect (ASD) and acquired mitral stenosis (MS). Congenital (at birth) atrial septal defect refers to a hole being in the septum or wall that separates the two atria; this condition is usually seen in fetuses and infants. Mitral stenosis refers to mitral valve leaflets (or valve flaps) sticking to each other making the opening for blood to pass from the atrium to the ventricles very small. With the valve being so small, blood has difficulty passing through the left atrium into the left ventricle. There are several types of septal defects that may occur with Lutembacher's syndrome: ASD Ostium Secundum or ASD (Primium); Ostium Secundum is the most prevalent.Lutembacher is caused indirectly as the result of heart damage or disorders and not something that is necessarily infectious. Lutembacher's syndrome is caused by either birth defects where the heart fails to close all holes in the walls between the atria or from an episode of rheumatic fever where damage is done to the heart valves such as the mitral valve and resultant in an opening of heart wall between atria. With Lutembacher's syndrome, a fetus or infant is usually seen to have a hole in their heart wall (interatrial) separating their right and left atria. Normally during fetal development, blood bypasses the lungs and is oxygenated from the placenta. Blood passes from the umbilical cord and flows into the left atrium through an opening called the foramen ovale; the formaen ovale is a hole between the two atria. Once a baby is born and the lungs begin to fill with air and the blood flow of the heart changes, a tissue flap (somewhat like a trap door) called the septum primium closes the foramen ovale or hole between the two atria and becomes part of the atrial wall. The failure of the hole between the two atria to close after birth leads to a disorder called ASD primium. The most common problems with an opening found in the heart with Lutembacher's syndrome is Ostium Secundum. Ostium Secundum is a hole that is found within the flap of tissue (septum primium) that will eventually close the hole between the two atria after birth. With either type of ASD, ASD will usually cause the blood flow from the right atrium to skip going to the right ventricle and instead flow to the left atrium. If mitral stenosis (the hardening of flap of tissue known as a valve which opens and closes between the left atrium and ventricle to control blood flow) is also present, blood will flow into the right atrium through the hole between the atria wall instead of flowing into the left ventricle and systemic circulation. Eventually this leads to other problems such as the right ventricle failing and a reduced blood flow to the left ventricle.In addition to the ASD, acquired MS can be present either from an episode of rheumatic fever (the mother has or had rheumatic fever during the pregnancy) or the child being born with the disorder (congenital MS). With the combination of both ASD and MS, the heart can be under severe strain as it tries to move blood throughout the heart and lungs. To correct Lutembacher's syndrome, surgery is often done. There are several types of surgeries depending on the cause of Lutembacher's syndrome(ASD Primium or ASD Ostium Secundum with Mitral Stenosis): Suturing (stitching) or placing a patch of tissue (similar to skin grafting) over the hole to completely close the opening Reconstructing of the mitral and tricuspid valve while patching any holes in the heart Device closure of ASD (e.g. Amplatzer umbrella or CardioSEAL to seal the hole Percutaneous transcatheter therapy Transcatheter therapy of balloon valvuloplasty to correct MS↑ ↑ 2.0 2.1 2.2 2.3 2.4 ↑ 3.0 3.1 3.2 3.3 3.4 ↑ ↑ ↑ 6.0 6.1 6.2 6.3 ↑