Changes

==Clinical Signs==

==Clinical Signs==

Three presentations of acquired Myasthenia Gravis have been reported.

Three presentations of acquired Myasthenia Gravis have been reported.

*Focal disease

Focal disease and Generalized disease which can be acute or chronic in presentation.  

*Generalized disease which can be acute or chronic in presentation.  

Animals affected with the focal form present with laryngeal, pharangeal, facial and oesophageal dysfunction.

Animals affected with the focal form present with laryngeal, pharangeal, facial and oesophageal dysfunction.

An association between thymomas and myasthenia has been made in both dogs and cats.

An association between thymomas and myasthenia has been made in both dogs and cats.

Congenital Myasthenia Gravis presents with similar signs to the acquired form except that megaoesophagus is only rarely associated..

Congenital Myasthenia Gravis presents with similar signs to the acquired form except that megaoesophagus is only rarely associated.

==Laboratory Tests==

==Laboratory Tests==