Autonomic Nervous System Dysregulation Symptoms - Neurology

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Suspected autonomic nervous system dysfunction but uncertain?


Hello, Doctor.
I apologize for the interruption during your busy schedule.
I am at the age of menopause and unable to supplement hormones due to breast-related issues.
Recently, I experienced heightened emotions, during which I had tremors, difficulty breathing, and a spike in blood pressure, feeling as if I were about to faint or have a stroke.
I was taken to the hospital for examinations of my brain, heart, and cerebrovascular system, and the doctors indicated that there were no issues.
However, since returning home, I still occasionally experience dizziness, with fluctuating blood pressure.
It can be normal one moment and then suddenly rise, with my heart rate increasing.
When my blood pressure reaches around 130, I feel generally unwell and dizzy.
Over the past few days, I've noticed that these symptoms tend to appear more frequently when my emotions fluctuate.
Previously, when I visited the neurology and cardiology departments, the doctor prescribed medication to help slow my heart rate.
Since I have not yet consulted a clinic related to autonomic nervous system disorders, I would like to ask you, Doctor, if this situation could be considered autonomic nervous system dysregulation?

Niming, 50~59 year old female. Ask Date: 2021/11/16

Dr. Cai Zongzhang reply Neurology


Hello: It is recommended to consult a neurologist for an examination to confirm the cause.

Reply Date: 2021/11/16

More Info


Autonomic Nervous System (ANS) dysregulation can manifest through a variety of symptoms, particularly in individuals experiencing significant life changes, such as menopause, or those with underlying health conditions. Your symptoms, including hand tremors, difficulty breathing, fluctuating blood pressure, and episodes of dizziness, are indeed indicative of potential ANS dysregulation.
The ANS is responsible for regulating involuntary bodily functions, including heart rate, blood pressure, respiration, and digestion. It consists of two main branches: the sympathetic nervous system (which prepares the body for 'fight or flight' responses) and the parasympathetic nervous system (which promotes 'rest and digest' activities). When these systems are out of balance, it can lead to a range of symptoms.

In your case, the episodes of high blood pressure and rapid heart rate, particularly in response to emotional stress, suggest that your sympathetic nervous system may be overactive. This can happen during periods of heightened anxiety or stress, which is common during menopause due to hormonal fluctuations. The fact that your symptoms improve with medication that slows your heart rate indicates that your body may be reacting strongly to stressors, leading to these dysregulated responses.

Additionally, the sensation of dizziness and feeling faint can be attributed to a sudden drop in blood pressure or inadequate blood flow to the brain, which can occur during episodes of anxiety or panic. This is often referred to as orthostatic hypotension, where changes in posture (like standing up quickly) can lead to a drop in blood pressure, causing dizziness or fainting.

It's also important to consider the role of emotional health in ANS regulation. Anxiety and stress can exacerbate physical symptoms, leading to a cycle where physical discomfort increases anxiety, which in turn worsens the physical symptoms. This interplay can create a challenging situation for individuals, particularly during significant life transitions like menopause.

Given your symptoms and the fact that you've already ruled out serious cardiovascular and neurological issues, it would be beneficial to consult with a specialist in autonomic disorders or a neurologist who can provide a comprehensive evaluation of your autonomic function. They may conduct tests such as heart rate variability assessments, tilt table tests, or other evaluations to better understand how your autonomic nervous system is functioning.

In the meantime, managing stress through relaxation techniques such as deep breathing exercises, meditation, or yoga can be helpful. Regular physical activity, a balanced diet, and adequate hydration are also crucial in supporting overall health and potentially stabilizing blood pressure and heart rate.

In conclusion, your symptoms are consistent with autonomic nervous system dysregulation, particularly in the context of emotional stress and hormonal changes associated with menopause. Seeking specialized care and implementing stress management strategies can be beneficial in addressing these symptoms and improving your overall well-being.

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