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[Interactive Grand Round] Severe respiratory failure

A 41-year-old man presents with flu-like symptoms and severe respiratory distress. What are the management priorities? What techniques can be used to manage his respiratory failure? Despite optimal respiratory management the patient’s condition deteriorated, and he developed a troponin rise that remained static, associated with regional wall motion abnormalities on echocardiography. What cardiac imaging tests would best identify the potential aetiology?