The American journal of the medical sciences
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Although the classical triad of thrombocytopenia, microangiopathic hemolytic anemia, and neurological changes has been well recognized, thrombotic thrombocytopenic purpura (TTP) sometimes presents with atypical clinical features. Some cases of acute respiratory distress syndrome (ARDS) were suspected to be a manifestation of TTP. ⋯ Life-threatening ARDS can be associated with TTP. It is recommended that all patients with ARDS and unexplained thrombocytopenia be evaluated for unrecognized TTP. Early recognition of ARDS associated with TTP and timely EP is critical to a favorable outcome.