Mnemonic: I HEAL
Mnemonic: MNM
Lesions outside the thecal sac are categorized as extradural lesions. Remember that everything that isn’t in the thecal sac is extradural, including discs, bones, nerves, and blood vessels.
Synonyms: Thyroglossal cyst, Thyrolingual cyst, Thyroglossal duct remnant, TGDC, TDC, TGDR Definition: Thyroglossal duct cyst is a congenital malformation that occurs due to incomplete closure of the thyroglossal duct which presents as a cystic midline neck swelling at birth. Thyroglossal fistulas are usually recognized by their external opening (typically located…
Hepatitis B surface antigen (HBsAg) Appears during incubation period (1-6 months), 2-7 weeks prior to symptoms. Peaks when the patient is most ill. Becomes undetectable in 3-6 months. Indicates infection – recent or chronic. Hepatitis B surface antibody (anti-HBs or HBsAb) Arises once the acute disease has resolved. Sometimes, not…
1. Duration: ≥1 months 2. ≥1 of Schneider’s 1st rank symptoms: Mnemonic: ABCDE a. Auditory hallucinations: Voices heard arguing (3rd person), Thought echo, Running commentary b. Bizzare delusions: Voices coming from some part of the body c. Control (Delusion of control): Somatic, Impulse, Volition, Affect (SIVA) d. Delusional perception: A non-hallucinated/true perception…