Surgical sieve (mnemonic)

Dr Dan J Bell and Dr Jeremy Jones et al.

A surgical sieve is an approach to differential diagnosis that helps, especially when under the pressure of the exam situation. Differentials from the sections of the sieve can be considered in turn, helping to extend the list in a structured way. They include:

  • 5I 3-Scotland
  • VITAMIN
  • VITAMIN CDEF
  • MIDNIT

Mnemonics

5I 3-Scotland 

Where "3-Scotland" relates to the three top killers in Scotland.

  • I: infection
  • I: inflammation
  • I: immune
  • I: iatrogenic
  • I: idiopathic
  • 1: vascular/cardiovascular
  • 2: cancer
  • 3: trauma
VITAMIN
  • V: vascular
  • I: infective/inflammatory
  • T: traumatic
  • A: autoimmune
  • M: metabolic
  • I: iatrogenic/idiopathic
  • N: neoplastic
VITAMIN CDEF

A more comprehensive version of VITAMIN:

  • V: vascular
  • I: infective/inflammatory
  • T: traumatic
  • A: autoimmune
  • M: metabolic
  • I: iatrogenic/idiopathic
  • N: neoplastic
  • C: congenital
  • D: degenerative/developmental
  • E: endocrine/environmental
  • F: functional
MIDNIT

This mnemonic is used in one of the HouseMD episodes (Paternity):

  • M: metabolic
  • I: inflammation
  • D: degenerative
  • N: neoplastic
  • I: infection
  • T: trauma
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Article information

rID: 10451
Sections: Gamuts, Mnemonics
Synonyms or Alternate Spellings:
  • VITAMIN
  • 5I 3-Scotland
  • VITAMIN CDEF

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