[Verse 1] Born with one great vessel where two should stand Truncus arteriosus, the heart's mixed plan Type Two divides the branches clean and neat Pulmonary arteries from the trunk complete [Chorus] Two to four weeks, the window's tight Neonatal repair before the blight Six weeks old, still safe to mend Before the vessels meet their end Timing, timing, can't delay Eisenmenger steals the chance away [Verse 2] Pressure floods the lungs with crimson flow Vessels thicken, resistance starts to grow Every heartbeat pounds with extra force The clock is ticking, chart the urgent course [Chorus] Two to four weeks, the window's tight Neonatal repair before the blight Six weeks old, still safe to mend Before the vessels meet their end Timing, timing, can't delay Eisenmenger steals the chance away [Bridge] Irreversible changes creep When pulmonary pressures leap The surgeon's blade can't turn back time If we miss that paradigm [Verse 3] This patient caught within the golden frame Repaired at six weeks, won the timing game The conduit placed, the trunk divided true A second chance at circulating blue [Final Chorus] Two to four weeks, the window's tight Neonatal repair before the blight Six weeks barely made the cut Before the vascular door could shut Timing, timing, saved the day Kept the syndrome at bay [Outro] In truncus cases, speed's the key Early surgery sets hearts free
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