Numbness and Rapid Heartbeat: Neurological Concerns Explained

Numbness in the hands and feet, rapid heartbeat?

Hello Doctor: Recently, I have been experiencing intermittent numbness in my limbs, primarily in my left hand and foot.
Today, the numbness is particularly severe, affecting the entire left side of my body, from head to toe.
This week, I have also been experiencing episodes of rapid heartbeat.
Last Sunday, I went to the emergency room due to a fast heartbeat and full-body tremors.
Additionally, my stomach has been having spasms; it doesn't hurt, but the rapid movements are uncomfortable.
After taking gastrointestinal medication, I felt somewhat better, but my heart rate is still elevated, and the numbness on the left side of my body (including my face, jaw, neck, head, and limbs) persists.
I still have sensation and can move, but it is very uncomfortable, and my hands feel weak.
I am very worried about the possibility of paralysis.
Today, I consulted a neurologist, but the medications prescribed (Rivotril 0.5mg and Tofranil 10mg) haven't been effective, and I still feel numb.
What should I do? What could be the potential causes or conditions leading to these symptoms? The hospital costs are really high, and I cannot afford to keep going back.
I would like to resolve this issue in one go.
I hope the doctor can provide some advice.
Thank you! (P.S.
I have no history of heart disease, and there is none in my family.
My last ECG in the emergency room was within normal limits, and my blood tests showed slightly elevated thyroid levels.)

Daisy, 20~29 year old female. Ask Date: 2010/01/29

Dr. Gao Chunde reply Neurology

If your symptoms have worsened compared to when you visited the neurologist, or if they continue to deteriorate despite medication, it is advisable to return to the hospital for further evaluation.
If the neurologist's objective neurological examination aligns with your clinical symptoms, there may indeed be an underlying issue.
However, if you only have subjective symptoms and the neurological examination results are normal, it is important to trust the physician's clinical judgment and follow their instructions regarding medication and follow-up treatment.

Reply Date: 2010/01/29

More Info

It sounds like you are experiencing a complex interplay of symptoms that can be quite distressing. The combination of numbness, rapid heartbeat, and feelings of discomfort can be indicative of several underlying issues, both neurological and psychological. Let's break down your symptoms and explore potential causes and recommendations.

Understanding Your Symptoms
1. Numbness and Tingling: The sensations of numbness and tingling, especially localized to one side of the body (in your case, the left side), can be concerning. This could be due to several factors, including nerve compression, anxiety, or even vascular issues. Conditions such as carpal tunnel syndrome, cervical radiculopathy, or even a transient ischemic attack (TIA) could present with similar symptoms. However, given your age and the absence of a significant medical history, serious conditions like stroke are less likely but should not be entirely ruled out.

2. Rapid Heartbeat (Tachycardia): A rapid heartbeat can be caused by anxiety, panic attacks, or physical stress. It can also be a response to pain or discomfort, such as the gastrointestinal symptoms you mentioned. The body’s fight-or-flight response can trigger an increase in heart rate, which may explain why you feel your heart racing during episodes of anxiety or discomfort.

3. Gastrointestinal Symptoms: The sensation of your stomach "twisting" or feeling uncomfortable can be linked to anxiety as well. The gut-brain connection is well established; stress and anxiety can lead to gastrointestinal disturbances, which can further exacerbate feelings of anxiety and discomfort.

Potential Causes
Given your symptoms and the fact that you have seen a neurologist, it is essential to consider both neurological and psychological factors:
- Anxiety Disorders: Anxiety can manifest physically in many ways, including rapid heartbeat, numbness, and gastrointestinal discomfort. Panic attacks can lead to hyperventilation, which may cause tingling and numbness in the extremities.

- Neurological Conditions: While less likely, conditions affecting the nervous system could cause numbness and tingling. Peripheral neuropathy, multiple sclerosis, or even vitamin deficiencies (like B12) could be considered, especially if symptoms persist.

- Thyroid Issues: You mentioned that your thyroid levels were slightly elevated. Hyperthyroidism can lead to symptoms such as rapid heartbeat, anxiety, and even tremors or muscle weakness.

Recommendations
1. Follow-Up with Your Doctor: Since you have already seen a neurologist, it may be beneficial to follow up with them or your primary care physician to discuss your ongoing symptoms. They may recommend further testing, such as imaging studies or blood tests, to rule out any underlying conditions.

2. Manage Anxiety: Since anxiety appears to be a significant factor in your symptoms, consider seeking support from a mental health professional. Cognitive-behavioral therapy (CBT) has been shown to be effective for anxiety disorders. Additionally, mindfulness practices, such as meditation or yoga, can help manage anxiety levels.

3. Lifestyle Modifications: Regular exercise, a balanced diet, and adequate sleep can significantly impact both physical and mental health. Even light physical activity can help reduce anxiety and improve overall well-being.

4. Medication Review: If the medications prescribed (Rivotril and Tofranil) are not providing relief, discuss this with your doctor. There may be alternative medications or dosages that could be more effective for your symptoms.

5. Monitor Symptoms: Keep a detailed log of your symptoms, including when they occur, their intensity, and any potential triggers. This information can be invaluable for your healthcare provider in determining the best course of action.

Conclusion
While your symptoms are understandably concerning, many potential causes are manageable with the right approach. It is crucial to maintain open communication with your healthcare providers and advocate for your health. Addressing both the physical and psychological aspects of your symptoms will be key to finding relief and improving your quality of life. Remember, you are not alone in this, and there are resources available to help you navigate these challenges.

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