Seek a 2nd opinion: Pain of tongue is can be a result of tongue inflammation. Causes vary from allergic reaction, yeast infections, local trauma, sjögren syndrome, vitamin deficiency (low levels of vit b12). I would also consult a cardiologist to evaluate your arrhythmia, and if there is any association of arrhythmia with a painful tongue.
Answered 4/24/2018
4.7k views
Sore tongue: Glad your Dentist has ruled out an oral cause. Now you need to see a Cardiologist for your arrhythmia and an ENT to evaluate tongue/throat.
Answered 4/24/2018
340 views
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