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Immersion pulmonary edema: drowning from the inside

Immersion pulmonary (IPE, also known as swimming-induced pulmonary edema, SIPE) is a condition in which pulmonary edema develops rapidly during a dive or vigorous swim. Symptoms include dyspnea and hemoptysis. Physical exam reveals typical signs of bilateral pulmonary edema, which can be confirmed radiographically or with bedside ultrasound [1-3]. IPE tends to recur in susceptible individuals. Often there are cardiac or pulmonary comorbidities, but IPE can occur in highly fit individuals such as triathletes and military trainees: IPE has been reported among special forces units from both the United States and Israel. Why pulmonary edema, a condition typically associated with heart failure, should occur in normal individuals remains somewhat of a mystery.

DOI: 10.22462/10.12.2019.1