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acute abdominal pain

acute abdominal pain. How to approach a patient with. Andrew McGovern Brighton and Sussex Medical School. Introduction. Plan Common causes History and examination Investigations Case example Epidemiology Abdominal pain present in 10% of hospital admissions.

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acute abdominal pain

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  1. acute abdominal pain How to approach a patient with Andrew McGovern Brighton and Sussex Medical School

  2. Introduction Plan • Common causes • History and examination • Investigations • Case example Epidemiology Abdominal pain present in 10% of hospital admissions. 1/3 of these require surgical intervention.

  3. Causes RUQ/LUQ Acute pancreatitis Lower lobe pneumonia Myocardial ischaemia Diffuse Acute pancreatitis DKA Gastroenteritis Intestinal obstruction Peritonitis Mesenteric ischaemia RUQ Cholecystitis Biliary colic Hepatitis Hepatic abscess LUQ Gastritis Splenic rupture/abscess RLQ Appendicitis Caecal diverticulitis Meckel’s diverticulitis LLQ Sigmoid diverticulitis RLQ/LLQ IBD Renal stones Cystitis Endometriosis Ruptured ectopic pregnancy Incarcerated hernias Psoas abscess

  4. Pain History SOCRATES Site – has the pain moved? Character – visceral, somatic, colic Radiation - pain in retroperitoneal structures radiates to the back - Loin to groin in ureteric colic Associated symptoms • GI symptoms: nausea, vomiting bleeding - also GU symptoms and cardiopulmonary symptoms Severity – elderly patients have increased pain threshold/reduced visceral sensation.

  5. Other history Fever Recent travel Past surgical and medical history Psychiatric disorders Menstrual and gynaecological history

  6. Examination Vitals – HR, RR, BP, Temperature General appearance – jaundiced, anaemia, nutritional status Check for signs of dehydration Cardiorespiratory examination Abdominal examination Inspection – scars, distension Palpation - hernial orifices Percussion Auscultation – high pitched tinkling bowel sounds

  7. Examination Special signs Murphy’s sign – cholecystitis Cullen’s Sign – pancreatitis Grey-Turner’s sign – pancreatitis, ruptured AAA, RTA Rectal and pelvic examination

  8. Investigations General investigations FBC, ESR – ↓Hb in peptic ulcer disease, malignancy. ↑WCC in infective/inflammatory disease. U&E – ↑urea/creatinine in renal conditions. Electrolyte disturbance in D&V. LFTs – abnormal in cholangitis and hepatitis. Amylase – ↑↑ in acute pancreatitis. ↑ in perforated peptic ulcer or infarcted bowel. MSU CXR – Gas under diaphragm in perforation. Pneumonia. AXR – Dilated bowel – IBD, obstruction. Sentinel loop – pancreatitis, appendicitis. Renal stones, etc. USS

  9. Case History Mr G: 62 year old male with gradual onset of severe epigastric pain. Examination BP 132/79 SaO2 98% on air HR 78/min Patient comfortable at rest. Heart sounds normal: I + II + O Chest clear Abdomen soft – tender in RUQ, Murphy’s +ve no palpable masses, no organomegally, BS present

  10. Case Investigations Bloods – CRP 28 [NR <5] AXR – normal USS – thickened GB wall, stones and pericholecystic fluid. Diagnosis Acute cholecystitis Treatment NBM, pain relief, antibiotics, cholecystectomy within 72h.

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