Dengue hemorrhagic fever (DHF) is graded I–IV. A patient with dengue presents with spontaneous bleeding from the gums, thrombocytopenia (platelet count 55,000/µL), and a positive tourniquet test. There is no circulatory failure. This corresponds to DHF Grade:
- A Grade II ✓
- B Grade I
- C Grade III
- D Grade IV
Correct answer: A. Grade II
Explanation
WHO classification of DHF: Grade I — fever with constitutional symptoms and positive tourniquet test only (no spontaneous bleeding). Grade II — Grade I findings plus spontaneous bleeding (gum bleeding, epistaxis, petechiae). Grade III — circulatory failure (rapid, weak pulse, hypotension, narrow pulse pressure). Grade IV — profound shock with undetectable blood pressure/pulse. This patient with spontaneous gum bleeding but no circulatory failure is Grade II DHF.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.