Non-intentional Head Tremors in Dogs

In this journal club episode, Dr. Thanis Liatis discusses his study on dogs with non-intentional (episodic) head tremors. These tremors occur mainly at rest, can usually be terminated by distraction, and can have vertical (yes-yes), horizontal (no-no) or rotational directions. This is the sole clinical sign of a movement disorder called idiopathic episodic head tremor in dogs. Several breeds have been reported with this disorder, of which Bulldogs and Dobermans have been associated with a potential breed predisposition. The aim of Dr. Liatis' study was to describe the signalment, semiology, MRI findings and outcomes of dogs with both idiopathic and structural causes of this movement disorder.