The authors of this paper developed a flow-chart to help equine practitioners in the process of decision making associated with diagnosing and monitoring SEA. To improve diagnostic and treatment accuracy they present various tests that help monitor the occurrence of pathological changes, such as mucus accumulation and bronchial smooth muscle hypertrophy secondary to the disease.
Source: Animals, December 16, 2023. Link.
Also see: 3 things your horse’s cough might mean, EQUUS, December 21, 2023. Link. In the absence of signs of respiratory illness, a horse’s cough could signal equine asthma, commonly known as heaves.