You are currently viewing Acute Infectious Mononucleosis (Non-Streptococcal Pharyngitis) – Mnemonic

Here is a quick mnemonic “ACUTE INFECTION to remember about Acute Infectious Mononucleosis (Non-Streptococcal Pharyngitis

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, MBBS, NEET PG, FMGE, NExT, MCAT & NCLEX exams

Acute Infectious Mononucleosis (Non-Streptococcal Pharyngitis : How To Remember Easily ?

  • A – Acute syndrome characterized by clinical, hematologic, and serologic findings.
  • C – Clinical presentation includes malaise, fever, sore throat, and marked adenopathy.
  • U – Unilateral cervical or posterior auricular nodes involvement indicates mononucleosis.
  • T – Tonsillar swelling, palatine petechiae, and a gelatinous uvula are often observed.
  • E – Exudative pharyngitis is a common symptom in infectious mononucleosis.
  • I – Infectious mononucleosis may cause pharyngitis in young adults.
  • N – New EBV infection may be the cause of pharyngitis in young adults.
  • F – Fever is one of the typical symptoms in acute infectious mononucleosis.
  • E – EBV is rarely the cause of pharyngitis in adults above 40 years of age.
  • C – Classic hematologic findings include an absolute lymphocyte count of >4000/μL.
  • T – The heterophil antibody is a characteristic serologic finding.
  • I – Ideally “Atypical” morphologic features are observed in more than 10% of lymphocytes.
  • O– Only 40% of patients have detectable heterophil antibody during the first week.
  • N – Nearly 80-90% of patients have detectable heterophil antibody by the third week.


Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department