A cluster of diffuse alveolar hemorrhage cases after the 2011 Tohoku Region Pacific Coast Earthquake

Diffuse alveolar hemorrhage (DAH) is a clinical syndrome that presents with progressively hemorrhagic bronchoalveolar lavage fluid (BALF) in serial samples and generally has a poor prognosis. The South Miyagi Medical Center, located on the inland side of southern Miyagi Prefecture, documented an increase in the number of patients with DAH after the 2011 Tohoku Region Pacific Coast Earthquake. We describe the clinical features of post-earthquake...