[Verse 1] When surgeons reconnect the vessels tight Anastomotic sites can narrow down The pulmonary branches lose their fight As kinking twists them into smaller crowns Right PA gradient climbs the steepest hill Twenty to twenty-seven then thirty-two The numbers tell a story, standing still While pressures mount and oxygen breaks through [Chorus] Stenosis creeps where branches meet the main Anastomotic sites hold hidden traps Gradients climbing, measuring the strain While ostial deformation slowly snaps The balloon waits, the stent stands ready now For futures when the vessels can't allow [Verse 2] Left PA shows its ostial distortion Mild stenosis marks the entrance way The opening warps beyond proportion As truncus repair claims its healing day Progressive narrowing tells its tale Through echocardiograms that never lie The measurements create a detailed trail Of vessels squeezed beneath the surgeon's eye [Chorus] Stenosis creeps where branches meet the main Anastomotic sites hold hidden traps Gradients climbing, measuring the strain While ostial deformation slowly snaps The balloon waits, the stent stands ready now For futures when the vessels can't allow [Bridge] Millimeters of mercury ascending Twenty, twenty-seven, thirty-two Each gradient measurement transcending Normal limits that the heart once knew Balloon angioplasty or stenting These interventions wait their turn When stenosis needs preventing From the lessons that we learn [Outro] Watch the branches, track the flow Anastomotic sites will show When the gradients start to grow Intervention needs to go
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