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Mnemonics, Simplified Concepts & Thoughts

Acute Undifferentiated Febrile Illness – Mnemonic

Epomedicine, Jun 8, 2021Jun 8, 2021

Last updated on June 8, 2021

Acute undifferentiated febrile illnesses (AUFI) are characterised by fever of less than two weeks’ duration without organ-specific symptoms at the onset.

fever

Mnemonic MA-ESR lists the five main disease groups that cause acute undifferentiated febrile illnesses

a. Malaria: Including all malaria due to Plasmodium falciparum, P vivax, P ovale, P malariae, P knowlesi

b. Arboviral infections: Such as dengue, chikungunya, Japanese encephalitis, Zika, yellow fever

c. Enteric fever: Due to Salmonella enterica serovar Typhi and Paratyphi A, B, C

d. Spirochete infections: Such as leptospirosis and tick-borne or louse-borne relapsing fever

e. Rickettsial infections: Including scrub typhus, murine typhus, spotted fevers

Further reading: Bhargava A, Ralph R, Chatterjee B, Bottieau E. Assessment and initial management of acute undifferentiated fever in tropical and subtropical regions. BMJ. 2018 Nov 29;363:k4766. doi: 10.1136/bmj.k4766. PMID: 30498133.

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PGMEE, MRCS, USMLE, MBBS, MD/MS Internal medicinePediatrics

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Epomedicine. Acute Undifferentiated Febrile Illness – Mnemonic [Internet]. Epomedicine; 2021 Jun 8 [cited 2025 May 9]. Available from: https://epomedicine.com/medical-students/acute-febrile-illness-mnemonic/.

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