Etiology
A variety of different causes of EIPH have been proposed. These include high pulmonary vascular pressure, upper airway obstruction, mechanical trauma, lower airway obstruction, inflammation, abnormalities of blood coagulation, inhomogeneity of ventilation and locomotory trauma. To date most theories have been unable to explain why EIPH occurs in the dorso-caudal lung and the pattern of progression in a cranial direction.
Read more about this topic: Exercise Induced Pulmonary Hemorrhage