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Results for “HEART AUSCULTATION”

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At least 487 records · Page 27Linked to original sources
PubMed2002

Angiographic demonstration of spontaneous occlusion of systemic arterial supply in pulmonary sequestration.

We describe the first angiographic demonstration of spontaneous occlusion of the arterial supply of a right lower lobe pulmonary sequestration. Intralobar pulmonary sequestration was first diagnosed by cardiac catheterization and aortography in a 1-year-old female. Systemic arterial supply was from a branch of the infra-diaphragmatic aorta and venous drainage was to the left atrium. Conservative management was elected, and the patient was followed up with annual exams. Repeat catheterization and aortography, performed to evaluate complaints of chest pain at age 13 years, showed no flow through the previously demonstrated systemic arterial supply from the aorta.

Angiography↗
PubMedDate not supplied

Echocardiographic study on the origin of the innocent flow murmurs.

To investigate the origin of the pulmonary systolic ejection innocent flow murmur (IFM), echocardiographic examinations were undertaken in 30 children with IFM and in a control group consisting of 28 healthy children without murmur. Compared to the controls, the diameters of the left ventricular outflow tract (LVOT) and aortic valve annulus and aortic valve area tended to be smaller, whereas stroke volume (SV) and cardiac output were slightly greater in children with IFM, but they were not statistically significant. Mean fractional shortening was significantly higher in children with IFM. Peak flow velocity of LVOT, right ventricular outflow tract, aorta, and pulmonary artery, mean velocity and velocity time integral of the aortic and pulmonary flow, and maximal acceleration of the aortic flow were all significantly higher in the IFM group compared to the controls. The variables of left-sided flow velocities in the same individuals with IFM were significantly higher compared to those derived from the right heart. The ratios of the SV to the LVOT diameter and to the aortic valve area were found to be significantly greater. It was concluded that IFM originates from higher blood flow velocities in the region of LVOT and aortic valve annulus, and that the increased flow velocity results from the larger SV passing through the relatively narrow LVOT and aortic valve in children with IFM.

Blood Flow Velocity↗
PubMed2006

Atrial septal defect: a diagnostic approach.

A simple objective screening method for diagnosis of the atrial septal defect (ASD) is needed. Acoustic signals were collected from 61 children with ASD and 60 with a physiological murmur. The second heart sound (S2) and the spectrum of systolic murmur were analysed. A statistical model was designed using stepwise logistic regression analysis. Significant variables distinguishing pathological form normal findings were the interval between the first heart sound and the beginning of systolic murmur or the respiratory variation of S2, and the frequency of the murmur at its maximum intensity. The area under the ROC curve was 0.922; indicating very good fit of the model and the confidence interval was 0.872-0.971. The sensitivity of the model was 91% and the specificity 73%. The analysis of acoustic findings from the heart is a valuable tool in diagnosing ASD. The next step will be automating this process.

Adolescent↗