![Two-dimensional echocardiographic assessment of pulmonary](http://s1.studyres.com/store/data/013468951_1-66d9ef394d0980878fa0534ea779ee4c-300x300.png)
Two-dimensional echocardiographic assessment of pulmonary
... disease and pulmonary stenosis or atresia often includes palliative surgery to increase pulmonary blood flow. Systemic to pulmonary anastomoses relieve hypoxemia and may enhance growth of the pulmonary arteries (2,3). Important considerations in planning such procedures are the side and branching pa ...
... disease and pulmonary stenosis or atresia often includes palliative surgery to increase pulmonary blood flow. Systemic to pulmonary anastomoses relieve hypoxemia and may enhance growth of the pulmonary arteries (2,3). Important considerations in planning such procedures are the side and branching pa ...
Anatomy of the pig heart: comparisons with normal human cardiac
... components of the porcine right ventricle was less marked than in man, and a prominent muscular moderator band was situated in a much higher position within the porcine right ventricle compared with that of man. The apical components of both porcine ventricles possessed very coarse trabeculations, m ...
... components of the porcine right ventricle was less marked than in man, and a prominent muscular moderator band was situated in a much higher position within the porcine right ventricle compared with that of man. The apical components of both porcine ventricles possessed very coarse trabeculations, m ...
Congenital pericardial defects
... accompanied the pain. He denied any fainting sensation. On examination he was normally developed and the pulse was regular and equal on both sides. The jugular venous pressure was normal. The left side of the chest was flattened and he had an accessory nipple below and medial to the normally situate ...
... accompanied the pain. He denied any fainting sensation. On examination he was normally developed and the pulse was regular and equal on both sides. The jugular venous pressure was normal. The left side of the chest was flattened and he had an accessory nipple below and medial to the normally situate ...
Anomalous pulmonary venous return into inferior vena cava and
... The last anastomosis (extracardiac) between the vein and the peripheral end of the prosthesis was performed after bypass had been stopped, with the right pulmonary artery clamped. After release of the clamps the pulmonary venous drainage appeared to be adequate and the course of the prosthesis did n ...
... The last anastomosis (extracardiac) between the vein and the peripheral end of the prosthesis was performed after bypass had been stopped, with the right pulmonary artery clamped. After release of the clamps the pulmonary venous drainage appeared to be adequate and the course of the prosthesis did n ...
Atrial fibrillation - Heart Rhythm Alliance
... alone. It can affect adults of any age, but is more common as people get older. In the over-75 age group it affects about 10% of people. AF accounts directly for around 100,000 hospital admissions and is associated with a further 575,000 hospital admissions per year. AF consumes 1% of the Sinus Node N ...
... alone. It can affect adults of any age, but is more common as people get older. In the over-75 age group it affects about 10% of people. AF accounts directly for around 100,000 hospital admissions and is associated with a further 575,000 hospital admissions per year. AF consumes 1% of the Sinus Node N ...
Vassalos, A. and Lilley, S. and Young, D. and Peng, E. and
... load is particularly important when considering the RV which, in the context of congenital heart disease, is frequently characterised by pressure or volume loading w10x. From the preoperative data it was found that, not only were the patients with cardiac lesions observed to have reduced velocities ...
... load is particularly important when considering the RV which, in the context of congenital heart disease, is frequently characterised by pressure or volume loading w10x. From the preoperative data it was found that, not only were the patients with cardiac lesions observed to have reduced velocities ...
Pulmonary Venous Anomalies
... Connection of all 4 major pulmonary veins to confluence and any additional pulmonary veins. Size of pulmonary venous confluence & its relation with LA. Course of pulmonary venous channel and whether there is obstruction to its flow. To evaluate interatrial communication for obstruction. ...
... Connection of all 4 major pulmonary veins to confluence and any additional pulmonary veins. Size of pulmonary venous confluence & its relation with LA. Course of pulmonary venous channel and whether there is obstruction to its flow. To evaluate interatrial communication for obstruction. ...
Effect of Hypertonic Saline on the Pulmonary and Systemic Pressures
... rapid intravenous injection of a 20 per cent saline solution causes a very marked rise in pressure in the pulmonary veins, the pulmonary artery, the right heart and the peripheral veins. Left atrial pressure either does not change or decreases, and aortic pressure f alls to very low levels. Apnea an ...
... rapid intravenous injection of a 20 per cent saline solution causes a very marked rise in pressure in the pulmonary veins, the pulmonary artery, the right heart and the peripheral veins. Left atrial pressure either does not change or decreases, and aortic pressure f alls to very low levels. Apnea an ...
Pulmonary arteries
... relative to the adjacent structures, it appears at its largest about the time of birth. The rich arterial supply is derived mainly from the anterior intercostal and branches of the internal thoracic arteries. The veins end in the left brachiocephalic, internal thoracic, and inferior thyroid veins. ...
... relative to the adjacent structures, it appears at its largest about the time of birth. The rich arterial supply is derived mainly from the anterior intercostal and branches of the internal thoracic arteries. The veins end in the left brachiocephalic, internal thoracic, and inferior thyroid veins. ...
Recommendations for participation in competitive and leisure sports
... above 80% of predicted [46]. Exercise-induced ventricular arrhythmias are mainly seen in patients with late repair and poor right ventricular performance [47]. Supraventricular arrhythmias have also been reported [48]. Fatal cases are very rare, however, in asymptomatic patients. Risk stratification ...
... above 80% of predicted [46]. Exercise-induced ventricular arrhythmias are mainly seen in patients with late repair and poor right ventricular performance [47]. Supraventricular arrhythmias have also been reported [48]. Fatal cases are very rare, however, in asymptomatic patients. Risk stratification ...
pub1211_25.08 - tarde.indd
... Background: The components of the cardiac conduction system (CCS) were discovered almost two centuries and presented in the diagrammatic forms. This should be due to the difficulty in distinguishing the CCS from the surrounding cardiac tissues and the lack of information concerning the precise landm ...
... Background: The components of the cardiac conduction system (CCS) were discovered almost two centuries and presented in the diagrammatic forms. This should be due to the difficulty in distinguishing the CCS from the surrounding cardiac tissues and the lack of information concerning the precise landm ...
12. Anesthesia For Patients With Congenital Heart
... Physical examination is best performed when the child is calm. One effective way to calm young children is to have her/him sit in the parent’s lap; distracting them with toys is also effective. Vital signs are measured, including arterial blood pressure (BP) in four extremities, heart rate (HR), res ...
... Physical examination is best performed when the child is calm. One effective way to calm young children is to have her/him sit in the parent’s lap; distracting them with toys is also effective. Vital signs are measured, including arterial blood pressure (BP) in four extremities, heart rate (HR), res ...
Detection of pulmonary hypertension by Doppler
... Right ventricular dysfunction as a result of pulmonary ventricular angiography, showed that the method had arterial hypertension is a common complication of a sensitivity of 89% and a specificity of 100% for the chronic obstructive lung disease.'3 The presence of diagnosis of tricuspid regurgitation ...
... Right ventricular dysfunction as a result of pulmonary ventricular angiography, showed that the method had arterial hypertension is a common complication of a sensitivity of 89% and a specificity of 100% for the chronic obstructive lung disease.'3 The presence of diagnosis of tricuspid regurgitation ...
Differential responses of the right ventricle to
... ventricle in congenitally corrected transposition or in univentricular circulation such as in hypoplastic left heart syndrome. Moreover, RV dysfunction predicts mortality in chronic heart failure.4 The mechanisms of RV dysfunction and RV failure are as yet unknown. In fact, the mechanisms of RV adap ...
... ventricle in congenitally corrected transposition or in univentricular circulation such as in hypoplastic left heart syndrome. Moreover, RV dysfunction predicts mortality in chronic heart failure.4 The mechanisms of RV dysfunction and RV failure are as yet unknown. In fact, the mechanisms of RV adap ...
pulmonary hypertension and a continuous murmur due to
... was quite free at these points and could be passed A Welsh girl of 8 years was referred to Mir. Dillwyn easily to the extreme periphery of both lungs where a Thomas in September, 1957. A heart murmur was normal wedge-pressure tracing was recorded (mean first noted at the age of 61 years. There was s ...
... was quite free at these points and could be passed A Welsh girl of 8 years was referred to Mir. Dillwyn easily to the extreme periphery of both lungs where a Thomas in September, 1957. A heart murmur was normal wedge-pressure tracing was recorded (mean first noted at the age of 61 years. There was s ...
Comparison of Electroanatomical Mapping Systems: Accuracy in
... to CT/MR images) were approximately 1–2 mm (max. 5 mm) with the OneModel software, versus 4–14 mm (max. 35 mm) with the traditional software and 3–7 mm (max. 12 mm) with the traditional software using multisurface modeling. It is not known what difference in measurement (compared to the CT/MR image) ...
... to CT/MR images) were approximately 1–2 mm (max. 5 mm) with the OneModel software, versus 4–14 mm (max. 35 mm) with the traditional software and 3–7 mm (max. 12 mm) with the traditional software using multisurface modeling. It is not known what difference in measurement (compared to the CT/MR image) ...
Transposition of the Pulmonary Veins
... This venous structure will pulsate, if at all, in an " acvp" pattern, whereas the pulmonary artery will expand synchronously with ventricular systole. The thymus, in the upper, anterior mediastinal area, does not pulsate intrinsically at all. A wide superior mediastinal pattern also may be produced ...
... This venous structure will pulsate, if at all, in an " acvp" pattern, whereas the pulmonary artery will expand synchronously with ventricular systole. The thymus, in the upper, anterior mediastinal area, does not pulsate intrinsically at all. A wide superior mediastinal pattern also may be produced ...
Atrial Arrhythmias After Lung Transplantation
... predominantly AF, whereas all AAs ⬎12 months were AT. Time to first AF versus AT was 11⫾9 versus 1485⫾2462 days (P⫽0.09). Male sex, age, and preoperative AA predicted any early (⬍3 months) AA but did not predict late AA. Early AA did not predict late AT. In 4 patients with drug-resistant AT, electro ...
... predominantly AF, whereas all AAs ⬎12 months were AT. Time to first AF versus AT was 11⫾9 versus 1485⫾2462 days (P⫽0.09). Male sex, age, and preoperative AA predicted any early (⬍3 months) AA but did not predict late AA. Early AA did not predict late AT. In 4 patients with drug-resistant AT, electro ...
File
... Origin of the Atrial Rhythms • The rhythms are classified according to the heart structure in which they begin, or their site of origin • Sinoatrial (SA) node fails to generate an impulse, atrial tissues, or internodal pathways may initiate an impulse ...
... Origin of the Atrial Rhythms • The rhythms are classified according to the heart structure in which they begin, or their site of origin • Sinoatrial (SA) node fails to generate an impulse, atrial tissues, or internodal pathways may initiate an impulse ...
Cardiac Malpositions
... bilate.rally deficient. It should be noted that as used herein DORV differs from the broader use proposed by Lev,' i.e., aorta and pulmonary artery completely or almost completely arising from the right ventricle regardless of semilunar valve mitral continuity. The latter definition focuses entirely ...
... bilate.rally deficient. It should be noted that as used herein DORV differs from the broader use proposed by Lev,' i.e., aorta and pulmonary artery completely or almost completely arising from the right ventricle regardless of semilunar valve mitral continuity. The latter definition focuses entirely ...
Time From the Beginning of the Right Ventricle Isovolumetric
... the measurement of the tricuspid regurgitation (TR) velocity, as calculated by the Bernoulli Equation. The The spectral Doppler profile of the TR is too weak in approximately 10 to 25% of those patients with clinical signs of elevated right heart pressure (3, 7, 8). Therefore, an alternative and ...
... the measurement of the tricuspid regurgitation (TR) velocity, as calculated by the Bernoulli Equation. The The spectral Doppler profile of the TR is too weak in approximately 10 to 25% of those patients with clinical signs of elevated right heart pressure (3, 7, 8). Therefore, an alternative and ...
lained severe pulmonary hypertension in ... H J. L.O.
... hypertension such as right ventricular dilatation and hypertrophy, paradoxical septal motion and the leakage of the pulmonary and tricuspid valves are easy to detect on echocardiography [27, 28], its more widespread use helps in making an earlier diagnosis. Scmiquantitative measurement of pulmonary ...
... hypertension such as right ventricular dilatation and hypertrophy, paradoxical septal motion and the leakage of the pulmonary and tricuspid valves are easy to detect on echocardiography [27, 28], its more widespread use helps in making an earlier diagnosis. Scmiquantitative measurement of pulmonary ...
Reservoir and conduit function of right atrium: impact on - AJP
... heart function and can profoundly affect cardiac performance (2, 4, 14 –17, 30, 33, 34, 38), but studies examining right atrial (RA) reservoir and conduit function are limited. The mechanics of the right atrium are complex (5, 8, 24, 26). In 1628, William Harvey was the first to identify the atrium ...
... heart function and can profoundly affect cardiac performance (2, 4, 14 –17, 30, 33, 34, 38), but studies examining right atrial (RA) reservoir and conduit function are limited. The mechanics of the right atrium are complex (5, 8, 24, 26). In 1628, William Harvey was the first to identify the atrium ...
Atrial septal defect
![](https://commons.wikimedia.org/wiki/Special:FilePath/Asd-web.jpg?width=300)
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.