Additional related findings were
fibrinous pericarditis, bilateral pleural effusions with pleural adhesions, hypertensive cardiovascular disease, a remote infarct of the right insular cortex, and remote myocardial infarct by histology.
Postmortem examination of each of the 2 dead llamas 6-16 hours after death showed similar results: acute and severe hydrothorax, severe congestion and edema of the lungs, and
fibrinous pericarditis. Histopathologic examination showed diffuse and severe congestion of the lungs, heart, and kidneys.