What is POTS ?
POTS , short for Postural Orthostatic Tachycardia Syndrome , is a condition characterized by a sudden drop in blood pressure and a rapid increase in heart rate when a person changes from a lying to a standing position. Common symptoms include:
- Dizziness, blurred vision
- Fatigue, nausea, trembling
- Fainting or even loss of consciousness
Normal blood pressure should be 120/80 mmHg . If the systolic blood pressure is below 90 or the diastolic blood pressure is below 60 , it is considered low blood pressure.
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Why do POTS or low blood pressure occur ?
Here are a few possible reasons:
- Insufficient blood volume : This may be caused by internal bleeding, anemia, or dehydration.
- Insufficient salt intake : Salt helps the body retain water, and a lack of it can lead to a drop in blood pressure.
- Drinking too much water without adding salt can actually dilute the sodium content in the body, exacerbating dehydration.
- In the early stages of a ketogenic diet : the body loses a lot of water, so it is necessary to replenish salt.
- Diuretics, vomiting, or other forms of dehydration can all lead to low blood pressure.
The role of the autonomic nervous system
The autonomic nervous system is responsible for regulating the body's response to stress, especially blood flow adjustments during changes in posture. When standing, blood tends to pool in the lower body, and if this blood cannot be effectively pushed back to the brain, it can lead to dizziness or fainting.
This system is primarily located in the brainstem, which is extremely sensitive to vitamin B1 (thiamine). B1 acts like a spark plug in an engine, assisting in the conversion of oxygen and fuel; a deficiency can lead to dysfunction of the brain and autonomic nervous system.
Causes of B1 deficiency
- High-sugar and refined carbohydrate diets
- Consuming too much red wine or dried fruit containing sulfites
- Intestinal malabsorption
- Increased demand in the early stages of a ketogenic diet
- Excessive stress
The Importance of Vitamin D
Vitamin D is also essential for the normal functioning of the autonomic nervous system. A deficiency may worsen symptoms of low blood pressure and post-traumatic stress disorder (PTSD ).
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Conclusion: Three key nutrients help improve low blood pressure
If you are experiencing low blood pressure or POTS- related symptoms, it is recommended to address the following three aspects:
- Replenishing salt helps the body retain water and stabilizes blood pressure.
- Vitamin B1 intake : Can be obtained through nutritional yeast, supporting brain and nerve function.
- Supplementing with Vitamin D3 : Maintaining a healthy autonomic nervous system
Adjustments to nutrition and lifestyle can help improve symptoms and enhance overall health.
YouTube source: https://www.youtube.com/watch?v=tB6IRQbl7n8
YouTube Column: Dr. Berger in Chinese Health knowledge
