Isometric tremor
An isometric tremor occurs with muscle contraction against a rigid stationary object (e.g., when making a fist).
Also called: Dystonia tremor.
Conditions associated with isometric tremor
The following conditions have been associated with isometric tremor in medical literature. This is informational and not a diagnosis.
developmental and epileptic encephalopathy 119
A developmental and epileptic encephalopathy caused by the variants in the RNU2-2 gene, in which most reported...
developmental delay, impaired speech, and behavioral abnormalities
developmental delay, impaired speech, and behavioral abnormalities is a medical condition that may be associat...
Tests providers may use to investigate isometric tremor
When investigating isometric tremor, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Urinalysis
Examines urine content to help detect urinary tract infections, kidney disease, and diabetes....
Symptoms commonly seen alongside isometric tremor
Constipation
Infrequent or difficult evacuation of feces....
Depression
Frequently experiencing feelings of being down, miserable, and/or hopeless; struggling to recover from these m...
Dysphagia
Difficulty in swallowing....
Fatigue
A subjective feeling of tiredness characterized by a lack of energy and motivation....
Fever
Body temperature elevated above the normal range....
Seizure
A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence ...
When to seek care
Seek care from a qualified healthcare provider if isometric tremor is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom isometric tremor mean?
Isometric tremor is a health sign or symptom described in medical literature. An isometric tremor occurs with muscle contraction against a rigid stationary object (e.g., when making a fist).
Which conditions are associated with isometric tremor?
Isometric tremor has been reported in association with 2 conditions in the medical literature we index, including developmental and epileptic encephalopathy 119, developmental delay, impaired speech, and behavioral abnormalities. These associations do not mean you have any of these conditions.
Should I see a doctor about isometric tremor?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.