interventricular septal defect

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interventricular septal defect

[¦in·tər·ven′trik·yə·lər ¦sep·təl ′dē‚fekt]
(medicine)
A congenital malformation of the septum between the ventricles of the heart.
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1 LV geometry pattern Group of children [n (%)] Normal (a) Concentric hypertrophy (a) Concentric remodeling (a) Abbreviations: ARD, aortic root diameter; GM, geometric mean; IVSTD, interventricular septum thickness in diastole; LAD, left atrium diameter; LVEDV, left ventricular end diastolic volume; LVEF, left ventricular ejection fraction; LVESV, left ventricular end systolic volume; LVIDD, left ventricular internal diastolic diameter; LVISD, left ventricular internal systolic diameter; LVM, left ventricular mass; LVSF, left ventricular shortening fraction; mitral E DT, mitral E deceleration time; PWTD, posterior wall thickness in diastole; RWT, relative wall thickness.
A fibrous skeleton, which consists of four fibrous rings surrounding the valve orifices, two fibrous trigones connecting the rings, and the membranous part of the interventricular and interatrial septa.
3 0 [beta] coef: coefficient estimate of the variable; HR: hazard ratio; CI: confidence interval; Q-wave: pathological Q-wave on surface ECG; LVEF: left ventricular ejection fraction; VT: ventricular tachycardia (>3 consecutive PVCs, heart rate >100 bpm, AV dissociation); 24-h SDNN: 24-h standard deviation of consecutive normal RR intervals; DUR: time domain filtered-QRS duration; IVET+: positive interventricular electrical transient (short-time Fourier transform mapping of the QRS complex; for details see Ref.
Hydatid cyst of the interventricular septum causing obstruction of the right ventricular outflow tract: crosssectional echocardiograp-hic, angiographic and pathological findings.
Magnetic resonance images showed substantial reduction of edema and the mass and reconstitution of the interventricular line without evidence of ventricular dilatation (Figure).
Mild basal septal hypertrophy (diastolic interventricular septal thickness 15 mm) was noted.
The system is comprised of the Sonr hemodynamic sensor embedded in the Sonrtip atrial pacing lead and the Paradym RF Sonr CRT D device, which includes an algorithm designed to automatically optimize the patient's atrioventricular delay and interventricular delay timing.
Colored Doppler revealed flows which might be compatible with the collateral circulation between the left coronary artery and right coronary artery on the interventricular septum (Figure 4).
The analysis of data collected revealed that Interventricular septal and left ventricular posterior wall thickness increased as BMI increased.
075 LVEF = left ventricular ejection fraction; LVEDD = left ventricular end-diastolic dimension; LVESD = left ventricular end-systolic dimension; IVSD = interventricular septal dimension; LVPW = left ventricular posterior wall; Ps-Pd = ratio of peak systolic velocity and peak anterograd diastolic velocity of pulmonary venous flow; E = peak velocity of early diastolic filling; A = peak velocity of late filling; Em = early diastolic mitral annular velocity; Am = late diastolic mitral annular velocity; E-Em = early mitral inflow velocity to early diastolic mitral annular velocity ratio.

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