Nardi test

The Nardi test, also known as the morphine-neostigmine provocation test is a test for dysfunction of the sphincter of Oddi, a valve which divides the biliary tract from the duodenum. Two medications, morphine and neostigmine, are given to people with symptoms concerning for sphincter dysfunction, including sharp right-sided abdominal pain. If the pain is reproduced by the medications, then dysfunction is more likely. The test poorly predicts dysfunction, however, and is rarely used today. The Nardi test was named for George Nardi, who first described the procedure in 1966.

References

Nardi GL, Acosta JM.Papillitis as a cause of pancreatitis and abdominal pain: role of evocative test, operative pancreatography and histologic evaluation. Ann. Surg. 1966 Oct;164(4):611-21. PMID 5924783
Steinberg WM. Sphincter of Oddi dysfunction: a clinical controversy. Gastroenterology 1988;95:1409-1415 PMID 3049221

Eponymous medical signs for digestive system and abdomen

Digestive
system

Gastrointestinal tract	Goodsall's rule Chilaiditi syndrome intussusception: Dance's sign Lockwood's sign appendicitis: Aaron's sign Arapov's sign (contracture) Dunphy sign Markle sign McBurney's point Rosenstein's sign Rovsing's sign Sherren's triangle Aure-Rozanova's sign Alder's sign pancreatitis Mallet-Guy sign Radiologic signs: Hampton's line Klemm's sign
Accessory	liver: Councilman body Mallory body biliary: Boas' sign Courvoisier's law Charcot's cholangitis triad/Reynolds' pentad cholecystitis (Murphy's sign Lépine's sign) Nardi test

Abdominopelvic

Peritoneum	Blumberg sign Rigler's sign Cupola sign
Hernia	Howship–Romberg sign Hannington-Kiff sign
Other	Fothergill's sign Carnett's sign

Abdominal

general

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