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NUR 5700 — Miami Dade College Post‑GI Case Study (Lavandera x R.) | 2026 Advanced Nursing Assessment, Diagnostics & Clinical Management

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NUR 5700 — Miami Dade College Post‑GI Case Study (Lavandera x R.) | 2026 Advanced Nursing Assessment, Diagnostics & Clinical Management

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Post GI Lavandera x R. Marzo

1. A patient presents with RUQ abdominal pain with intermittent nausea and vomiting. Laboratory
results show mildly elevated alkaline phosphatase and pancreatic enzymes within normal limits. What is
your presumptive diagnosis?

a. Liver disease

b. Biliary obstruction

c. Chronic pancreatitis

d. Peptic ulcer disease

🧠 Respuesta correcta:👉 b. Biliary obstruction
⚠️concuerda
Nota: En examen anterior aparece marcada la opción d (Peptic ulcer disease), pero esa respuesta no
con el cuadro clínico ni con la interpretación de los laboratorios. Desde el punto de vista clínico
y para exámenes FNP/boards, la mejor respuesta es b. Biliary obstruction.

🔥 FNP Rationale
Las pistas del caso son muy clásicas:

✅ Right Upper Quadrant (RUQ) pain
✅ Intermittent nausea/vomiting
✅ Mildly elevated alkaline phosphatase (ALP)
✅ Normal pancreatic enzymes (amylase/lipase)
Todo esto apunta a un problema del árbol biliar, especialmente una obstrucción biliar parcial (por ejemplo,
coledocolitiasis).

📊 Hallazgos del caso
🔥
Hallazgo Significado
RUQ pain Enfermedad biliar

🔥
Nausea/Vomiting Muy frecuente
↑ Alkaline phosphatase Colestasis/obstrucción biliar
Lipasa normal Descarta pancreatitis

¿Por qué ALP está elevada?

La alkaline phosphatase (ALP) aumenta cuando existe:

 Obstrucción del flujo biliar
 Colestasis
 Coledocolitiasis

,  Tumores biliares

Es uno de los marcadores clásicos de enfermedad obstructiva.

¿Por qué NO pancreatitis?

La pancreatitis aguda requiere típicamente:

 ↑ Lipasa
 ↑ Amilasa
 Dolor epigástrico irradiado a espalda

Aquí:

✅ Enzimas pancreáticas normales.
➡️ Pancreatitis poco probable.
❌ ¿Por qué las otras opciones están mal?
a. Liver disease

❌ Las hepatopatías suelen elevar principalmente:
 AST
 ALT

No producen típicamente una elevación aislada de ALP con este cuadro.

c. Chronic pancreatitis

❌ Esperaríamos:
 Dolor epigástrico
 Insuficiencia pancreática
 Esteatorrea
 Alteraciones pancreáticas

No RUQ típico con ALP elevada.

d. Peptic ulcer disease

❌ La úlcera péptica produce:
 Dolor epigástrico
 Relación con comidas
 ALP generalmente normal

No explica la elevación de ALP.

🧠 PERLA DE EXAMEN (MUY IMPORTANTE)

, 👉 RUQ pain + Elevated ALP = Think biliary disease first.
👉 Elevated Lipase = Think pancreatitis.
📌 Laboratorios High-Yield
🔥
Laboratorio Sugiere
↑ ALP Obstrucción biliar
↑ GGT Origen hepatobiliar

🔥
↑ AST/ALT Lesión hepatocelular
↑ Lipase Pancreatitis

📊 Dolor abdominal: Localización
🔥
Localización Diagnóstico clásico
RUQ Colelitiasis / Colecistitis / Obstrucción biliar
Epigastrio → espalda Pancreatitis
Epigastrio Úlcera péptica
RLQ Apendicitis
LLQ Diverticulitis

🚨 PERLA FNP (MUY IMPORTANTE)
Si en el examen aparece:

 RUQ pain
 ↑ ALP
 Lipase normal

👉 La respuesta más fuerte suele ser Biliary obstruction.
Si el profesor marcó Peptic ulcer disease, probablemente se trate de un error del banco de preguntas o una
clave incorrecta, porque no corresponde al patrón clínico habitual ni a las guías diagnósticas.

🎯 Truco rápido FNP
👉 ALP ↑ = Biliary tree (árbol biliar).
👉 Lipase ↑ = Pancreas.
👉 AST/ALT ↑ = Liver.
2. A 41-year-old female presents to the clinic with RUQ abdominal pain accompanied by nausea and
vomiting. The pain started within 2 hours of ingesting a typical Cuban meal at the festival in Calle 8. She
admits to having similar episodes in the past; however, it feels worse this time. She has low-grade fever.
Abdominal examination is positive for RUQ tenderness with respiratory arrest to deep palpation of the
RUQ. Laboratory results show elevated WBC; total bilirubin, alkaline phosphatase, and serum amylase
are within normal limits. Which of the following diagnostic test, could be initially supportive of the most
likely diagnosis?

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