Symptoms of a stroke tongue
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Summary
4 papers analyzed
These studies suggest that stroke symptoms related to the tongue can include numbness, impaired chewing efficiency, dysphagia, facial asymmetry, reduced lip force, and isolated tongue tremor.
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Symptoms of a Stroke: Tongue-Related Manifestations
Common Tongue Symptoms in Stroke Patients
Numbness in the Tongue
Numbness in the tongue, particularly at the tip, can be a symptom of a stroke. This is often associated with thalamic hemorrhage, specifically involving the ventroposteromedial (VPM) nucleus. Patients may experience severe numbness in the tip of the tongue and the ipsilateral lower lip, without other neurological abnormalities. This numbness is due to the involvement of the lingual nerve and its pathway through the trigeminal spinal nucleus to the VPM nucleus.
Tongue Tremor
Another symptom observed in stroke patients is tongue tremor. This can occur due to cortical strokes affecting areas such as the precentral and inferior frontal gyri. Tongue tremor may present without other neurological deficits and can sometimes improve spontaneously without specific treatment.
Impaired Tongue Function
Stroke can lead to impaired masticatory performance due to reduced tongue forces and disturbed oral sensitivity. This impairment affects the tongue-palate contact during swallowing, contributing to difficulties in chewing and swallowing (dysphagia). These issues are part of a broader spectrum of oro-facial impairments that stroke patients may experience, which also includes facial asymmetry and reduced lip force.
Traditional Chinese Medicine (TCM) Observations
Tongue Characteristics in High-Risk Stroke Groups
In Traditional Chinese Medicine (TCM), certain tongue characteristics are observed in individuals at high risk of stroke. Common findings include white moss, thin moss, string pulse, dark tongue, and red tongue. These characteristics vary by gender and age, with women more likely to exhibit symptoms like dizziness and insomnia, while men show higher rates of teeth shaking and greasy fur. Elderly individuals often present with dry eyes, thirst, and dark or red tongues, whereas middle-aged individuals may experience irritability and numbness.
Conclusion
Tongue-related symptoms in stroke patients can range from numbness and tremor to impaired function and specific TCM characteristics. Recognizing these symptoms is crucial for early diagnosis and effective management of stroke. Understanding the diverse presentations of tongue symptoms can aid in comprehensive stroke care and rehabilitation.
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