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Figure 3: Estimated Qp/Qs by echo and Qp/Qs estimated by cath for subjects <21 yo (a) and for subjects ≥22 yo (b). Qp/Qs: Pulmonary to systemic flow ratio

Figure 3: Estimated Qp/Qs by echo and Qp/Qs estimated by cath for subjects <21 yo (a) and for subjects ≥22 yo (b). Qp/Qs: Pulmonary to systemic flow ratio