The cause of death for each of the three Revere women who were found dead in their Belize hotel room has been announced by officials to be an “acute pulmonary edema,” a buildup of fluid in the lungs.

Friends say a birthday celebration trip turned into a horrible tragedy when the three lifelong friends were found dead inside their hotel resort room in Belize.

The causes of death for three Revere women who died while vacationing in Belize was “acute pulmonary edema,” or buildup of fluid in the lungs, officials in Belize told the Globe Wednesday.