Percussion myotonia
A localized myotonic contraction in a muscle in reaction to percussion (tapping with the examiner's finger, a rubber percussion hammer, or a similar object).
Also called: Transient swelling of muscle induced by percussion.
Conditions associated with percussion myotonia
The following conditions have been associated with percussion myotonia in medical literature. This is informational and not a diagnosis.
Tests providers may use to investigate percussion myotonia
When investigating percussion myotonia, 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 percussion myotonia
Abdominal distention
Distention of the abdomen....
Clonic seizure
A clonic seizure is a type of motor seizure characterized by sustained rhythmic jerking, that is regularly rep...
Focal-onset seizure
A focal-onset seizure is a type of seizure originating within networks limited to one hemisphere. They may be ...
Gastroesophageal reflux
A condition in which the stomach contents leak backwards from the stomach into the esophagus through the lower...
Hypoventilation
A reduction in the amount of air transported into the pulmonary alveoli by breathing, leading to hypercapnia (...
Sensorineural hearing impairment
A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve....
When to seek care
Seek care from a qualified healthcare provider if percussion myotonia 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 percussion myotonia mean?
Percussion myotonia is a health sign or symptom described in medical literature. A localized myotonic contraction in a muscle in reaction to percussion (tapping with the examiner's finger, a rubber percussion hammer, or a similar object).
Which conditions are associated with percussion myotonia?
Percussion myotonia has been reported in association with 1 condition in the medical literature we index, including mitochondrial complex IV deficiency, nuclear type 23. These associations do not mean you have any of these conditions.
Should I see a doctor about percussion myotonia?
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.