[Verse 1] After truncus repair, the surgeon's done their part But tiny gaps remain around the patching art One to two millimeters, residual shunts we see Through and around the edges, it's common as can be [Chorus] Small holes, stable flows One point five or less, that's how success goes Qp over Qs, the ratio we measure Insignificant shunt, no cause for pressure Time will heal, tissue grows Over patch edges, the opening closes [Verse 2] This patient's case shows us the typical way One to one point five millimeters, stable day by day Every follow-up visit, the measurements stay the same No intervention needed, it's part of healing's game [Chorus] Small holes, stable flows One point five or less, that's how success goes Qp over Qs, the ratio we measure Insignificant shunt, no cause for pressure Time will heal, tissue grows Over patch edges, the opening closes [Bridge] When pulmonary flow to systemic flow Stays below one point five to one ratio The shunt won't cause problems for the heart Natural healing plays its vital part [Verse 3] Tissue creeps across the synthetic material Endothelial growth, the process is serial What seems concerning to the untrained eye Is just the heart's own way to heal and fortify [Final Chorus] Small holes, stable flows One point five or less, that's how success goes Qp over Qs, remember this measure Insignificant shunt, no cause for pressure Time will heal, nature knows Over patch edges, the opening closes Trust the process, let it be Residual shunts are healing's key
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