A 47-year-old female patient presents to the emergency depar… | 마이메르시 MyMerci
Adult Health
문제

A 47-year-old female patient presents to the emergency department with severe right upper quadrant pain that began 2 hours after eating a large, fatty meal. Which clinical manifestation would provide the strongest evidence for this diagnosis?

해설
Murphy's sign is the most specific clinical assessment finding for acute cholecystitis, involving inspiratory arrest when the examiner palpates the right subcostal area during deep inspiration due to inflamed gallbladder contact with the examining hand. This is consistent with the patient's presentation of severe right upper quadrant pain after a fatty meal. Rebound tenderness in the left lower quadrant is more indicative of conditions like diverticulitis or colitis, not cholecystitis. Clay-colored stools and dark amber urine suggest biliary obstruction or liver issues but are less specific and may occur later in cholecystitis. Cramping pain that moves from periumbilical to right lower quadrant is classic for appendicitis, not cholecystitis.

심화 해설

Core Nursing Explanation This question tests your ability to correlate a classic patient presentation with the most specific physical examination finding for Acute Cholecystitis. The patient's history—severe right upper quadrant (RUQ) pain after a fatty meal—is a textbook trigger, as fats stimulate the release of cholecystokinin (CCK), causing the gallbladder to contract against an obstructed cystic duct (often by a gallstone). Key Concept Analysis The core theme is identifying the pathognomonic sign for acute gallbladder inflammation. Murphy's sign is not just a test; it's a direct reflection of the pathophysiology. An inflamed, distended gallbladder descends with inspiration. When the examiner's fingers press on the RUQ (specifically the gallbladder fundus), it contacts the inflamed organ, causing sharp pain and an involuntary inspiratory arrest (or "catch") as the patient stops breathing in to avoid the pain. Answer Rationale Key Point! A Positive Murphy's sign is the most specific bedside clinical finding for acute cholecystitis. It directly links the patient's symptoms (postprandial RUQ pain) to the inflamed organ on physical exam. In the emergency setting, this sign strongly guides the initial diagnostic impression before imaging confirmation. Distractor Analysis Watch out for confusion!
  • Option 1 (Rebound tenderness in LLQ): This points to inflammation in the left lower quadrant, such as diverticulitis or colitis. Rebound tenderness itself indicates peritoneal irritation, but its location is wrong for cholecystitis.
  • Option 2 (Clay-colored stools & dark urine): These are signs of biliary obstruction (obstructive jaundice). While a stone blocking the common bile duct (CBD) can complicate cholecystitis, these are later signs and are not the strongest initial evidence. Clay stools lack bilirubin, and dark urine contains conjugated bilirubin.
  • Option 4 (Migrating periumbilical to RLQ pain): This is the classic history for Acute Appendicitis (visceral pain localizing to somatic pain at McBurney's point). The right lower quadrant (RLQ) is the wrong anatomical location for gallbladder disease.
Related Concepts Understanding this question requires differentiating between visceral pain (dull, poorly localized from the organ itself) and somatic/parietal pain (sharp, well-localized from peritoneal inflammation). Cholecystitis often starts as visceral RUQ pain and can evolve to somatic pain with a positive Murphy's sign. Also, know that a "sonographic Murphy's sign" (pain with transducer pressure during ultrasound) is highly diagnostic.
Concept Summary
ConceptKey PointClinical Correlation
Acute CholecystitisGallbladder inflammation, often from cystic duct obstruction by a stone.RUQ pain, fever, +Murphy's sign, often after fatty meal.
Murphy's SignInspiratory arrest on RUQ palpation. Pathognomonic for acute cholecystitis.Best elicited with patient supine during deep inspiration.
Biliary Colic vs. CholecystitisColic is intermittent pain from stone movement. Cholecystitis is persistent pain/inflammation.Colic pain resolves; cholecystitis pain persists >6 hrs, with signs of inflammation.
ComplicationsEmpyema, gangrene, perforation, cholangitis (if CBD obstructed).Worsening pain, high fever, rigors, hypotension indicate emergency.

Side-by-Side Comparison!
ConditionClassic Pain Location & CharacterKey Physical Exam FindingPrecipitating Factor
Acute CholecystitisRight Upper Quadrant (RUQ), constant, severePositive Murphy's SignFatty meal
Acute AppendicitisPeriumbilical → Right Lower Quadrant (RLQ), cramping → sharpMcBurney's point tenderness, Rovsing's signOften none specific
Acute PancreatitisEpigastric, radiating to back, boring, severeEpigastric tenderness, Grey Turner's/Cullen's sign (late)Alcohol, gallstones
Peptic Ulcer DiseaseEpigastric, burning, gnawingEpigastric tendernessEmpty stomach (relieved by food/antacids in GU)

Anatomy, Physiology & Pharmacology Points
  • Anatomy: The gallbladder lies under the liver in the RUQ. The cystic duct connects it to the common bile duct. Murphy's point is at the intersection of the right costal margin and the lateral border of the rectus abdominis muscle.
  • Physiology: Fatty meals → CCK release → gallbladder contraction. If the cystic duct is obstructed (e.g., by a stone), contraction increases pressure, causing ischemia, inflammation, and pain.
  • Pharmacology: Initial management includes NPO (nothing by mouth), IV fluids, and analgesics (often opioids for severe pain) and antibiotics for infection coverage. Antispasmodics are not typically used.

Memory Tips
  • Murphy's Law for the Gallbladder: "If something can go wrong with inspiration during RUQ palpation, it will (if the gallbladder is inflamed)." The patient "catches" their breath.
  • FAT = Fatty meal, Acute RUQ pain, Tender Murphy's sign → Think Cholecystitis.
  • Location Mnemonic: Appendicitis is RLQ (Appendicitis = Cecum). Cholecystitis is RUQ (Think of the Ch in Cholecystitis and Chest/liver area).

High-Frequency NCLEX Topics NCLEX loves to test specific assessment findings for common conditions. Murphy's sign is a classic. You may also be asked about:
  • Priority nursing interventions for a patient with suspected cholecystitis (e.g., NPO, IV fluids, pain management, monitoring for complications).
  • Patient education for gallstone prevention (low-fat diet, weight management).
  • Post-operative care after a cholecystectomy (laparoscopic vs. open).

Watch Out for Question Variations!
  • From Sign to Intervention: "The nurse assesses a positive Murphy's sign in a patient. Which physician order should the nurse anticipate first?" (Answer: Likely an abdominal ultrasound to confirm diagnosis.)
  • Complication Focus: "A patient with acute cholecystitis develops fever of 39.4°C (103°F) and rigors. Which complication should the nurse suspect?" (Answer: Ascending Cholangitis—a medical emergency.)
  • Medication Contraindication: "Which medication is contraindicated for pain management in suspected biliary colic?" (Answer: Morphine can cause sphincter of Oddi spasm; meperidine or other opioids may be preferred.)

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the triage nurse in the ED. Mrs. Jones, 47, is clutching her RUQ, diaphoretic, and states, "The pain started after my cheeseburger and fries, and it won't let up." Her vital signs are: BP 148/90, HR 112, RR 24, Temp 38.2°C (100.8°F). Nursing Intervention Strategy
  1. Assessment: Perform a focused abdominal assessment. Inspect, auscultate (bowel sounds may be hypoactive), then gently palpate. To check for Murphy's sign, place your fingers under the right costal margin and ask the patient to take a deep breath. A positive sign is her sudden inspiratory arrest due to pain. Document: "Positive Murphy's sign elicited."
  2. Immediate Actions: Place patient NPO (nothing by mouth) to rest the biliary system. Establish IV access for fluids and medication administration. Administer prescribed analgesics (e.g., hydromorphone) and antiemetics as needed.
  3. Monitoring & Collaboration: Monitor vital signs, pain level, and for signs of worsening peritonitis (rigid abdomen, worsening rebound tenderness) or sepsis. Prepare the patient for diagnostic tests (CBC, liver function tests, Right Upper Quadrant Ultrasound).
  4. Patient Education: Explain the likely cause (gallbladder inflammation), the reason for NPO status, and the plan of care. Provide reassurance.
Patient Safety and Precautions
  • Do NOT apply heat to the abdomen, as this could worsen inflammation or mask signs of perforation.
  • Monitor closely for signs of obstructive jaundice (yellowing sclera/skin, dark urine, clay stools) or cholangitis (Charcot's triad: fever, jaundice, RUQ pain), which require urgent intervention.
  • Be cautious with opioid administration; monitor for respiratory depression, especially if other sedatives are given.

Nursing Procedure & Medication Flow Managing a Patient with Suspected Acute Cholecystitis: 1. Triage & Assessment: ABCs, pain assessment (PQRST), focused physical exam including Murphy's sign. 2. Physician Communication: Report key findings: "Patient with postprandial RUQ pain, positive Murphy's sign, febrile. Suspect acute cholecystitis." 3. Order Implementation: * IV Fluids: 0.9% NaCl or Lactated Ringer's to maintain hydration as patient is NPO. * Analgesia: Administer IV opioids as ordered. Assess pain 30 minutes post-administration. * Antibiotics: Administer broad-spectrum IV antibiotics (e.g., piperacillin-tazobactam) if ordered for infection coverage. Monitor for allergic reaction. 4. Pre-procedure Care: Educate patient about the ultrasound procedure (non-invasive, no radiation).
A Word from Your Senior Nurse "Remember, a positive Murphy's sign is one of those beautiful moments in nursing where your hands-on assessment directly points to the diagnosis. It's more than a test; it's you connecting the patient's story to their physiology. In clinical practice, your sharp assessment can expedite care. For the NCLEX, think like a nurse detective: the history (fatty meal + RUQ pain) + the key physical sign (Murphy's) = cholecystitis until proven otherwise. Always ask yourself, 'What is the most specific piece of evidence for this condition?' That's how you choose the right answer and provide the best care."

핵심 개념

마이메르시로 국가고시 완벽 대비

기출문제와 상세 해설을 무료로. 내 약점을 분석하고 진도를 관리하며 더 똑똑하게 공부하세요.

무료로 시작하기

학습 참고용입니다. 실제 임상은 최신 지침과 소속 기관 프로토콜을 따르세요.