A 53-year-old lady was admitted with decompensated dengue shock syndrome during the febrile phase, complicated by massive retroperitoneal bleeding requiring angioembolization. She was initially stabilized by fluid resuscitation at emergency department prior to ICU admission. While in ICU, her haemoglobin level plummeted from 17.5 g/dL to 5.8 g/dL without any obvious source of bleeding. She had hemodynamic instability and worsening acidosis. The abdominal ultrasound performed showed complex

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... es and CT abdomen revealed a large right retroperitoneal hematoma with ongoing bleeding. The patient's hemodynamic was restored and bleeding resolved after angioembolization of the right L2 lumbar artery and right phrenic artery. KEY WORDS: Dengue shock syndrome; retroperitoneal hematoma; right L2 lumbar artery and right phrenic artery angioembolization