Ventricular septal defect classification

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Ventricular septal defect Microchapters

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Overview

Classification

Pathophysiology

Causes

Differentiating Ventricular Septal Defect from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

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Ventricular septal defect post-surgical prognosis

ACC/AHA Guidelines for Surgical and Catheter Intervention Follow-Up

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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

Small VSDs

There is a small left-to-right shunt (Qp/Qs < 1.5) and a normal ratio of PA to systemic pressures.

Medium-Sized VSDs

There is a moderate shunt left-to-right present(Qp/Qs = 1.5-2.0) that still has some resistance to flow across the defect.

Large VSDs

There is a large defect on the ventricular septum, > 1 cm2/m2 of BSA, with a large shunt left-to-right (Qp/Qs is > 2), causing volume overload of the LV, which may result in its failure. The defect may approximate the size of the aortic orifice.

Membranous and muscular types of ventricular septal defect

References

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