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Multiple sclerosis (MS) can still affect the heart despite the heart having its own nerve system because MS impacts the autonomic nervous system, which controls involuntary functions like heart rate. MS-related damage to the brainstem, spinal cord, or vagus nerve can lead to issues like irregular heartbeats, palpitations Show Full Answer

Multiple sclerosis (MS) can still affect the heart despite the heart having its own nerve system because MS impacts the autonomic nervous system, which controls involuntary functions like heart rate. MS-related damage to the brainstem, spinal cord, or vagus nerve can lead to issues like irregular heartbeats, palpitations, or cardiac autonomic dysfunction. This occurs due to inflammation or lesions disrupting the signals that regulate heart function.

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