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A 24-year-old lady presented to the emergency department with severe generalized abdominal pain and hematochezia of 2 days. Examination revealed absent bilateral radial, brachial, and carotid pulses. Rest of the peripheral pulses were normal. A bruit was heard over bilateral carotid, subclavian, and renal arteries. X-ray abdomen showed dilated bowel loops with multiple air fluid levels. Doppler study revealed intimal thickening in bilateral subclavian and common carotid arteries along with decreased flow. Computed tomography (CT) angiography was done urgently that showed critical narrowing of the bilateral subclavian, common carotid, coeliac trunk, superior mesenteric arteries, inferior mesenteric arteries, and bilateral renal arteries. We present a case of mesenteric ischemia in a patient of Takayasu arteritis (TA) leading to bowel gangrene involving entire small and large bowel and a fulminant outcome, which is an uncommon initial presentation of TA.