Any new set of symptoms like this warrants a physical exam.
We do not diagnose or treat here, but can set you in the correct direction.
Depending on your age and other factors, this can be heart disease.
It can be a disc problem in the cervical spine, the neck.
It can be acid reflux.
It can be a musculoskeletal problem.
I would be evaluated today, even in urgent care or the ER.
EKG needs to be done, along with an exam, and any other indicated testing.
OK, so that is an initial answer….
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