Rapid Heartbeat, Palpitations, and Dizziness: A Neurology Perspective - Neurology

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Understanding the relationship between rapid heartbeat, palpitations, and dizziness can be complex, especially when considering both cardiac and neurological perspectives. Based on your symptoms and the medications prescribed, it appears that you are experiencing a combination of autonomic dysregulation, which can manifest as both cardiovascular and neurological symptoms.


Rapid Heartbeat and Palpitations
Rapid heartbeat (tachycardia) and palpitations can arise from various causes, including anxiety, panic disorders, and physical conditions such as Postural Orthostatic Tachycardia Syndrome (POTS) or other forms of dysautonomia. In your case, the fact that beta-blockers like Entresto (Entresto) and Heart Care (心康樂) effectively reduce your heart rate and alleviate dizziness suggests that your symptoms may have a significant cardiac component. Beta-blockers work by blocking the effects of adrenaline on the heart, which can help to stabilize heart rate and reduce feelings of anxiety that often accompany palpitations.


Dizziness and Balance Issues
The dizziness you describe, characterized by a floating sensation and a feeling of imbalance, can be attributed to several factors. It could be related to vestibular dysfunction, which affects balance and spatial orientation, or it could be a result of autonomic dysregulation where blood flow to the brain is compromised, leading to feelings of lightheadedness. The fact that your dizziness improves with beta-blockers further supports the idea that your symptoms may be linked to cardiovascular issues rather than purely neurological ones.


Neurological Considerations
While your symptoms could have a neurological basis, especially considering the persistent nature of your dizziness, the initial evaluations by both cardiology and neurology have not indicated any significant abnormalities. The upcoming EEG (electroencephalogram) will help rule out any seizure activity or other electrical disturbances in the brain that could contribute to your symptoms. However, it is essential to note that anxiety and panic disorders can also lead to dizziness and a sense of disorientation, which may complicate the clinical picture.


Medication Management
Regarding your current medication regimen, it is crucial to communicate openly with your healthcare provider about the side effects you are experiencing, such as drowsiness and diarrhea from Heart Care (心康樂). If you find that Entresto (恩特來) is more effective for managing your symptoms without significant side effects, it may be worth discussing a return to that medication with your doctor. Adjusting medication should always be done under medical supervision to ensure safety and efficacy.


Conclusion
In summary, your symptoms of rapid heartbeat, palpitations, and dizziness could stem from a combination of cardiac and neurological factors, with a significant influence from autonomic dysregulation. It is essential to continue working closely with both your cardiologist and neurologist to monitor your symptoms and adjust your treatment plan as necessary. Keeping a symptom diary may also help your healthcare providers understand the triggers and patterns of your symptoms better. As you await further testing, maintaining a healthy lifestyle, managing stress, and adhering to your prescribed medications will be crucial in managing your condition effectively.