AHA Scientific Statement
... In 1990 Sideris et al99 reported on the use of a new “buttoned” device (Custom Medical Devices, Amarillo, Texas) for transcatheter closure of ASD. This device has three components: occluder, counteroccluder, and loading wire. The first use of this device in humans was reported in 1990 in three patie ...
... In 1990 Sideris et al99 reported on the use of a new “buttoned” device (Custom Medical Devices, Amarillo, Texas) for transcatheter closure of ASD. This device has three components: occluder, counteroccluder, and loading wire. The first use of this device in humans was reported in 1990 in three patie ...
Left Atrial Size
... size, most commonly to body surface area (21,25). It remains to be clarified if this approach attenuates obesityrelated variations in LA volume, which may be prognostically significant (39). Gender differences in LA size are nearly completely accounted for by variation in body size (8,21,40,41). In ...
... size, most commonly to body surface area (21,25). It remains to be clarified if this approach attenuates obesityrelated variations in LA volume, which may be prognostically significant (39). Gender differences in LA size are nearly completely accounted for by variation in body size (8,21,40,41). In ...
Right Heart Adaptation to Pulmonary Arterial€Hypertension
... patients with RHF and PAH, cirrhosis is a late complication of severe RHF. In patients with worsening hypoxemia and PAH, right-to-left shunting through a patent foramen ovale must be considered. Patients with PAH may also present with acute heart failure. Recent studies have shown that the short-ter ...
... patients with RHF and PAH, cirrhosis is a late complication of severe RHF. In patients with worsening hypoxemia and PAH, right-to-left shunting through a patent foramen ovale must be considered. Patients with PAH may also present with acute heart failure. Recent studies have shown that the short-ter ...
Atrial natriuretic peptide (ANP)
... Quantitative studies on the granules were performed in various mammalian species (Jamieson and Palade, 1964; Cantin et al., 1979; Mifune et al., 1996), but authors do not agree on the number and diameter of the granules in the various regions of the atrial-auricular complex. In the rat, the larger n ...
... Quantitative studies on the granules were performed in various mammalian species (Jamieson and Palade, 1964; Cantin et al., 1979; Mifune et al., 1996), but authors do not agree on the number and diameter of the granules in the various regions of the atrial-auricular complex. In the rat, the larger n ...
full text
... catheters (0.61SPAP + 2). This empirical formula also is the most accurate compared to other modalities of evaluating MPAP [13]. This linear relationship at rest was also observed in our study of patients treated with pulmonary vasodilators or dobutamine and even the complex physiological situation ...
... catheters (0.61SPAP + 2). This empirical formula also is the most accurate compared to other modalities of evaluating MPAP [13]. This linear relationship at rest was also observed in our study of patients treated with pulmonary vasodilators or dobutamine and even the complex physiological situation ...
Targeting atrioventricular differences in ion channel properties for
... large magnitude of the acetylcholine-activated K+ current (IK,ACh). Simulations showed that the lower availability of the atrial Na+ current at depolarized potentials, and a smaller atrial tissue size compared with the ventricle, could partly explain the earlier termination of AF compared with VF du ...
... large magnitude of the acetylcholine-activated K+ current (IK,ACh). Simulations showed that the lower availability of the atrial Na+ current at depolarized potentials, and a smaller atrial tissue size compared with the ventricle, could partly explain the earlier termination of AF compared with VF du ...
Catheter Ablation in the Treatment of Atrial Fibrillation
... Previous repair of atrial septal defects is not an absolute contraindication ...
... Previous repair of atrial septal defects is not an absolute contraindication ...
Septal myocardial protection during cardiac surgery
... functional septum impairment after cardiac surgery. Gradation of this adverse outcome by an echocardiography score quantifies a functional abnormality that progresses from mild hypokinesia, to severe hypokinesia, akinesia and then dyskinesia or septum paradox. (7) Septal dysfunction exists without i ...
... functional septum impairment after cardiac surgery. Gradation of this adverse outcome by an echocardiography score quantifies a functional abnormality that progresses from mild hypokinesia, to severe hypokinesia, akinesia and then dyskinesia or septum paradox. (7) Septal dysfunction exists without i ...
patent ductus arteriosus with pulmonary hypertension - Heart
... also occurred in patients reported by Campbell and Hudson (1951) and Johnson et al. (1950). Hultgren al. (1953) noted attacks of substernal pain on exertion in three of their eight patients while Smith's (1954) patient complained of a tightness over the precordium on exertion. None of the present pa ...
... also occurred in patients reported by Campbell and Hudson (1951) and Johnson et al. (1950). Hultgren al. (1953) noted attacks of substernal pain on exertion in three of their eight patients while Smith's (1954) patient complained of a tightness over the precordium on exertion. None of the present pa ...
Atrial fibrillation and flutter: Management issues
... Really, paroxysmal AF has same stroke risk as other AF Caution when diagnosing AF! If you misdiagnosed NSR with PAC’s or multifocal atrial tachycardia as AF, you can doom someone to lifelong AC ...
... Really, paroxysmal AF has same stroke risk as other AF Caution when diagnosing AF! If you misdiagnosed NSR with PAC’s or multifocal atrial tachycardia as AF, you can doom someone to lifelong AC ...
Ratio of Peak Early to Late Diastolic Filling Velocity of the Left
... probe was used for TEE. The following parameters were measured using standard views and techniques : left ventricular end-diastolic dimension ; left ventricular percentage fractional shortening ; left ventricular mass index ; presence of atrial septal aneurysm and patent foramen ovale ; and spontane ...
... probe was used for TEE. The following parameters were measured using standard views and techniques : left ventricular end-diastolic dimension ; left ventricular percentage fractional shortening ; left ventricular mass index ; presence of atrial septal aneurysm and patent foramen ovale ; and spontane ...
Left Atrial Functional Reserve in Patients With Nonischemic Dilated
... Association functional class III. Diagnosis of DCM was based on the echocardiographic findings of a dilated left ventricle (left ventricular end-diastolic diameter [LVEDD] ⬎ 60 mm) with severely affected systolic function, left ventricular fractional shortening [LVFS] ⬍ 20%, and left ventricular eje ...
... Association functional class III. Diagnosis of DCM was based on the echocardiographic findings of a dilated left ventricle (left ventricular end-diastolic diameter [LVEDD] ⬎ 60 mm) with severely affected systolic function, left ventricular fractional shortening [LVFS] ⬍ 20%, and left ventricular eje ...
Pulmonary artery pressure variation in patients with connective
... pressure (PAP). We chose to study patients with connective tissue disease because they represent a group at high risk of pulmonary vascular disease, but with little disturbance of lung function. Methods—Six patients (five with progressive systemic sclerosis and one with systemic lupus erythematosis) ...
... pressure (PAP). We chose to study patients with connective tissue disease because they represent a group at high risk of pulmonary vascular disease, but with little disturbance of lung function. Methods—Six patients (five with progressive systemic sclerosis and one with systemic lupus erythematosis) ...
Read More - Ebstein`s Anomaly Foundation
... must be opened along its superior oblique margin if the atrial septum is found to be intact during the operation. An ostium secundum ASD, if present, is closed with a valved patch technique. Additional surgical procedures were performed to repair the associated heart anomalies: 1 ventricular septal ...
... must be opened along its superior oblique margin if the atrial septum is found to be intact during the operation. An ostium secundum ASD, if present, is closed with a valved patch technique. Additional surgical procedures were performed to repair the associated heart anomalies: 1 ventricular septal ...
Current perspectives Modern hemodynamic evaluation of the
... variable flow therefore may underestimate or overestimate changes in the functional state of the pulmonary circulation. These errors or approximations can be limited by the definition of PVR by a multipoint pressure/flow line7. Recent studies showed that improvement in exercise capacity with prostac ...
... variable flow therefore may underestimate or overestimate changes in the functional state of the pulmonary circulation. These errors or approximations can be limited by the definition of PVR by a multipoint pressure/flow line7. Recent studies showed that improvement in exercise capacity with prostac ...
Holly Everts, 2010. Atrial Fibrillation
... Rapid impulses released by multiple Correct!!locations in the atria ...
... Rapid impulses released by multiple Correct!!locations in the atria ...
Integrated analysis of atrioventricular interactions in - AJP
... the difference between maximal and minimal atrial volume (16, 20). Dividing the cyclic volume change by the maximal atrial volume multiplied by 100 resulted in the total atrial filling fraction. Again, all volumes were indexed by dividing them by the body surface area. Atrial and ventricular time vo ...
... the difference between maximal and minimal atrial volume (16, 20). Dividing the cyclic volume change by the maximal atrial volume multiplied by 100 resulted in the total atrial filling fraction. Again, all volumes were indexed by dividing them by the body surface area. Atrial and ventricular time vo ...
Isolated right ventricular dysfunction in systemic sclerosis: latent pulmonary hypertension?
... ABSTRACT: Right ventricular function is frequently abnormal in patients with systemic sclerosis, but whether this is related to pulmonary vascular complications of the disease is unclear. Standard echocardiography with tissue Doppler imaging was performed at rest and during exercise for the study of ...
... ABSTRACT: Right ventricular function is frequently abnormal in patients with systemic sclerosis, but whether this is related to pulmonary vascular complications of the disease is unclear. Standard echocardiography with tissue Doppler imaging was performed at rest and during exercise for the study of ...
Cryoablation Lesion with Atrial Arrhythmia after Fontan Operation
... higher oxygen saturation and more growth of pulmonary arteries than BDG without APF. • However, there are disadvantages to BDG with APF, such as the elevation of venous pressure and volume overload on the ventricle ...
... higher oxygen saturation and more growth of pulmonary arteries than BDG without APF. • However, there are disadvantages to BDG with APF, such as the elevation of venous pressure and volume overload on the ventricle ...
Redalyc.Treatment of Chronic Atrial Fibrillation During Surgery for
... to increase the effectiveness of this operation and reduce the possibility of treatment failure, which can reach 20% of patients undergoing operative procedures for treatment of arrhythmia in association with mitral valve management[12]. Developed over 10 years, the Maze operation is still considere ...
... to increase the effectiveness of this operation and reduce the possibility of treatment failure, which can reach 20% of patients undergoing operative procedures for treatment of arrhythmia in association with mitral valve management[12]. Developed over 10 years, the Maze operation is still considere ...
6 Heart Sounds
... normal subjects. T1 also tends to get louder on inspiration because of greater volume and Starling effect during inspiratory phase of respiration on the right side. The A1, on the other hand, does not vary with respiration and is just as loud over the apex. It must be pointed out that not all patien ...
... normal subjects. T1 also tends to get louder on inspiration because of greater volume and Starling effect during inspiratory phase of respiration on the right side. The A1, on the other hand, does not vary with respiration and is just as loud over the apex. It must be pointed out that not all patien ...
Original Article MRI shows limited mixing between systemic and
... struggle in the postoperative period and was found to have pulmonary hypertension. A cardiac catheterisation at 6 weeks of age revealed a pulmonary vascular resistance of 25 Wood units∙m2 and the patient died of right ventricular failure 6 months later. The aortogram performed during this catheteris ...
... struggle in the postoperative period and was found to have pulmonary hypertension. A cardiac catheterisation at 6 weeks of age revealed a pulmonary vascular resistance of 25 Wood units∙m2 and the patient died of right ventricular failure 6 months later. The aortogram performed during this catheteris ...
Case Report Leiomyosarcoma of Pulmonary Vein Presenting as Left
... is nonspecific; this makes early diagnosis difficult and most cases are diagnosed on histology specimens and at autopsy ...
... is nonspecific; this makes early diagnosis difficult and most cases are diagnosed on histology specimens and at autopsy ...
Section Three:
... the procedure should be obtained, the reason for the procedure and the procedure itself should be explained to the patient/family, and all necessary equipment should be assembled. The exact setup and equipment used will vary depending on the institution. The tubing and transducer are prepared as des ...
... the procedure should be obtained, the reason for the procedure and the procedure itself should be explained to the patient/family, and all necessary equipment should be assembled. The exact setup and equipment used will vary depending on the institution. The tubing and transducer are prepared as des ...
Atrial Septal Defect and Atrial Fibrillation: The Known and Unknown
... are 3 major types of ASDs: ostium secundum, ostium primum and sinus venosus defects. The ostium secundum is a true defect of the atrial septum and is located in the region of the fossa ovalis. The ostium primum defect belongs to the atrioventricular (AV) septal defects (also known as endocardial cus ...
... are 3 major types of ASDs: ostium secundum, ostium primum and sinus venosus defects. The ostium secundum is a true defect of the atrial septum and is located in the region of the fossa ovalis. The ostium primum defect belongs to the atrioventricular (AV) septal defects (also known as endocardial cus ...
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.