What is EIC?
Young, healthy Labrador retrievers sometimes suffer from a syndrome called Exercise Induced Collapse (EIC). It is associated with exercise intolerance and affected dogs can tolerate only mild or moderate exercise. These dogs normally collapse after 5 to 15 minutes of strenuous exercise, especially if the dog is overly excited or stressed. Symptoms include a wobbly gait and non-painful paralysis and the dog often losses control of its rear limbs. This is a newly characterized syndrome as veterinarians had previously thought it to be caused by malignant hyperthermia, hypoglycemia, electrolyte disturbances and cardiac rhythm disturbances to name just a few. The cause is however a genetic mutation. (Patterson et al., 2008; Taylor et al., 2009)