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Cirugia apendicitis y peritonitis

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Apuntes y resumen del tema de apendicitis y peritonitis

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APENDICITIS AGUDA

Proceso inflamatorio del apéndice cecal.

Prevalencia: 10-30 años, hombres.

Apéndice Cecal:
 Mide: 6 a 9 cm y diámetro de 5 mm
 Localización: 2-3cm por abajo del orificio
ileocecal
• Posiciones: subsecal, retrocecal, preileal,
retroileal y pélvica
• Funciones: inmunitario IgA (infancia), secretar
moco (adulto)
• Irrigación: arteria apendicular, R. ileocolica, R.
mesentérica superior.
• Capas: mucosa, submucosa, muscular, serosa

Causas
• Principal causa →
• Parásitos
• Semillas, cascaras, fibras
• Hiperplasia de tejidos linfoides, tumores

Fases
• Catarral: 4-6h
• Supurativa: 6-12h
• Gangrenosa: 12-24h
• Perforada >24h

Clínica: CRONOLOGIA DE MURPHY, anorexia, fiebre, nauseas, vómitos, Blumberg +

Dolor Migratorio: Epigastrio → migra a Mesogastrio → se instala FID

Triada de Murphy: Triada de Dieulafoy
Dolor migratorio en FID Hiperestesia en FID
Fiebre Defensa muscular en FID
Nauseas y vómitos Dolor provocado

Laboratorios: leucocitosis con desviación a la izquierda, eosinofilia.

Rx: asa de centinela, borramiento del musculo psoas, niveles hidroaéreos.

Ecografía: fecalito, aumento de tamaño, pared engrosada, doble pared y liquido.

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Uploaded on
August 17, 2025
Number of pages
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Written in
2025/2026
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