Dizziness, Nausea, and Fatigue: Is It Heart-Related?

Dizziness, nausea, and fatigue; I'm not sure if it's related to the heart?

Recently, I have been experiencing occasional dizziness, along with a temporary loss of vision where everything appears black, and then I have headaches accompanied by nausea.
However, my gastrointestinal system doesn't seem to be inflamed, but I often have indigestion and a bit of chest tightness.
Sometimes my hands feel numb, and I've been feeling very fatigued for a week.
Additionally, I experience sudden sharp headaches or my heart racing unexpectedly.
I have a medical history of Tetralogy of Fallot, so I'm a bit concerned.

Alysa, 10~19 year old female. Ask Date: 2018/11/06

Dr. He Dongjin reply Cardiology

Hello, there may be a history related to Tetralogy of Fallot.
It's hard to say, but the symptoms are more indicative of autonomic nervous system dysregulation.
It is advisable to observe for now, but if discomfort persists, it is recommended to visit an outpatient clinic for further examination.
Changhua Hospital cares about your well-being.

Reply Date: 2018/11/06

More Info

Dizziness, nausea, and fatigue can indeed be concerning symptoms, especially in the context of a history of congenital heart conditions such as Tetralogy of Fallot. While these symptoms can be related to heart issues, they can also stem from a variety of other causes, including gastrointestinal problems, anxiety, or neurological conditions.
Given your symptoms of dizziness, nausea, fatigue, and chest tightness, it is essential to consider several factors. Dizziness can occur due to reduced blood flow to the brain, which may be related to heart function. In patients with a history of heart disease, such as Tetralogy of Fallot, there can be complications that affect blood flow and oxygen delivery, potentially leading to symptoms like dizziness and fatigue.
Nausea can also be a non-specific symptom that may arise from various conditions, including gastrointestinal disturbances, anxiety, or even cardiac issues. The sensation of "blackening out" or seeing spots can indicate a drop in blood pressure or inadequate blood flow to the brain, which can be concerning in the context of heart health.

Fatigue is another symptom that can be multifactorial. In patients with heart conditions, fatigue can result from the heart's inability to pump effectively, leading to decreased oxygen delivery to tissues. However, fatigue can also be related to stress, anxiety, or other non-cardiac conditions.

The presence of chest tightness and hand numbness adds another layer of complexity. Chest tightness can be a sign of angina or other cardiac issues, while numbness in the hands could suggest issues with circulation or nerve compression.
Given your history of Tetralogy of Fallot, it is crucial to consult with a healthcare provider who can perform a thorough evaluation. This may include a physical examination, an electrocardiogram (ECG), echocardiography, and possibly further imaging studies to assess heart function and rule out any complications related to your previous heart condition.

In the meantime, it is essential to monitor your symptoms closely. If you experience severe dizziness, fainting, chest pain, or worsening symptoms, seek immediate medical attention. Lifestyle modifications, such as staying hydrated, managing stress, and avoiding triggers that exacerbate your symptoms, can also be beneficial.

In summary, while your symptoms may have a cardiac origin, they could also be related to other factors. A comprehensive evaluation by a healthcare professional is necessary to determine the underlying cause and appropriate management. Your health and well-being are paramount, so do not hesitate to seek help if you feel concerned about your symptoms.

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