[A study on the clinical classification of high altitude heart disease].

The clinical data of 514 cases of high altitude heart disease (HAHD) were reported, 62 cases of them were autopsied. According to the clinical characteristics and pathological changes, of the myocardlum, a clinical classification of HAHD was suggested. There might be four clinical phases, i.e. aggravating, acute, subacute and chronic. Cases of HAHD with different onset time may show different clinical manifestations of these four phases.