Orthostatic Tremor
Orthostatic tremor is a movement disorder characterized by high frequency rhythmic tremors occurring most commonly in the limbs when the dog is standing. Orthostatic tremor plus includes dogs that experience orthostatic tremors in addition to other neurologic deficits.
Age of Onset: Less than 2 years of age
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Clinical signs may progress over time. The tremor is typically only present when the dog is in the standing position and resolves with voluntary movement and recumbency.
Clinical signs may progress over time. The tremor is typically only present when the dog is in the standing position and resolves with voluntary movement and recumbency.
Clinical Signs:
Behavioral/Mental Awareness
Reluctance to exercise
Posture and Appearance
Difficulty maintaining posture while eating or defecating/urinating
Tendency to fall
Movement
Appendicular muscle tremor (pelvic limbs > thoracic limbs) when standing
Head tremor
Difficulty rising/sitting
Wide-base stance
Wide-base gait
“Dancing-sign” (shifting the weight bearing limb)
Behavioral/Mental Awareness
Reluctance to exercise
Posture and Appearance
Difficulty maintaining posture while eating or defecating/urinating
Tendency to fall
Movement
Appendicular muscle tremor (pelvic limbs > thoracic limbs) when standing
Head tremor
Difficulty rising/sitting
Wide-base stance
Wide-base gait
“Dancing-sign” (shifting the weight bearing limb)
Musculoskeletal
Unknown
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