Negative pressure pulmonary oedema following choking on a rice ball
A 74 year old woman was brought to the emergency department by ambulance due to choking. Thirty minutes prior to presentation, the patient choked on a rice ball at lunch, and repeated banging on her back by family members led to successful dislodgement of a part of the object. The patient had a history of depression but no history of smoking. On arrival, she was cyanotic and in respiratory distress. On physical examination, the patient was afebrile, with a heart rate of 112 beats per minute, blood pressure of 142/93 mm Hg, respiratory rate of 26 breaths per minute and oxygen saturation of
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