[Verse 1] Clock is lit, soixante minutes before the blade descends, Cefazolin, thirty milligrams per kilo, that's where the shield begins, Two grams the ceiling for a grown-up frame, three past one-twenty kilos wide, Hang it early, let it circulate, don't let the window slide. [Chorus] Avant l'heure, c'est l'heure — une heure avant l'incision, Cefazolin dans la veine, notre première protection, Toutes les quatre heures on redose, après le bypass aussi, Prophylaxie, mon ami — pas plus que deux jours, compris? [Verse 2] Now MRSA's whispering through colonized skin, or that lactam ring you can't wear, Call vancomycin, fifteen per kilo, let the slow drip clear the air, Sixty to one-twenty minutes, infuse her, never rush the dame, Start within two hours pre-cut, often paired, dual flame. [Chorus] Avant l'heure, c'est l'heure — une heure avant l'incision, Cefazolin dans la veine, notre première protection, Toutes les quatre heures on redose, après le bypass aussi, Prophylaxie, mon ami — pas plus que deux jours, compris? [Verse 3] Forty-eight hours, that's the fence the guidelines build and keep, Longer courses don't guard better, they just let resistance creep, C. diff blooms where antibiotics overstay their welcome card, Redose every four, mind the bypass pump, keep the dosing guard. [Bridge] Open chest, delayed closure, neonatal conduit's aftermath, Local protocols stretch the armor down a longer sterile path, Glucose tamed, one-ten to one-eighty keeps the wound from turning sour, Mupirocin in the nostril, decolonise before the hour — Nosocomial, that's the word for sickness born inside these walls, Silent, patient, hospital-bred — vigilance is what forestalls. [Chorus] Avant l'heure, c'est l'heure — une heure avant l'incision, Cefazolin dans la veine, notre première protection, Toutes les quatre heures on redose, après le bypass aussi, Prophylaxie, mon ami — pas plus que deux jours, compris? [Verse 4] Renal clearance shifts the equation, creatinine tells the tale, Obese patients climb the dosage, let the kilogram scale prevail, Pediatric weight in careful kilograms, never guess, always confirm, Allergy charted clear and certain — penicillin's ghost we must affirm, Beta-lactam allergy mild? Cefazolin still may answer the call, Severe reaction changes everything — vancomycin answers the hall, Culture the field, track the flora, know what grows behind the gown, Stewardship isn't just a word — it's the crown that holds the crown. [Chorus] Avant l'heure, c'est l'heure — une heure avant l'incision, Cefazolin dans la veine, notre première protection, Toutes les quatre heures on redose, après le bypass aussi, Prophylaxie, mon ami — pas plus que deux jours, compris? [Outro] Une heure avant, deux jours après — c'est la règle, c'est la loi, Cefazolin, vancomycine, protègent le petit roi, Forty-eight and out the door — that's the oath the surgeons swore.
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