A 10-year-old child in Brazil presents with a high fever, retro-orbital headache, and epistaxis. A tourniquet test is positive - more than 20 petechia...

Question

A 10-year-old child in Brazil presents with a high fever, retro-orbital headache, and epistaxis. A tourniquet test is positive - more than 20 petechiae per 2.5 cm² area appear below the inflated blood pressure cuff. What does a positive tourniquet test indicate in the context of suspected dengue?

Accepted Answer

Increased capillary fragility suggesting dengue with potential for haemorrhagic manifestations, though it is not specific for dengue

Answer

Confirmation of dengue haemorrhagic fever

Answer

Confirmation of severe dengue requiring immediate ICU admission

Answer

Normal finding in a febrile child

Answer

Platelet count is above 100 × 10⁹/L

uk-dtmh MCQ (SBA): Tourniquet Test in Dengue

A 10-year-old child in Brazil presents with a high fever, retro-orbital headache, and epistaxis. A tourniquet test is positive - more than 20 petechiae per 2.5 cm² area appear below the inflated blood pressure cuff. What does a positive tourniquet test indicate in the context of suspected dengue?