Left Chest Pain: Causes and Concerns for Heart Health - Cardiology

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Pain in the upper left chest and chest pain?


Hello, doctor.
Yesterday, I suddenly experienced chest pain while walking.
I have a history of gastrointestinal issues and symptoms of gastroesophageal reflux.
While working, I felt a sudden pain in my chest.
My job involves mostly sitting in the office, and I tend to lean on my left hand while using the computer.
I also have a habit of lying on the sofa at home.
Could this be due to poor posture, and is it possible that the pain has accumulated over time? Since the pain is mostly on the left side, I am concerned it might be a heart issue.
I previously consulted a cardiologist, and my chest X-ray and electrocardiogram were normal, but I was diagnosed with mild mitral valve prolapse during an echocardiogram.

Xiao Yu, 30~39 year old female. Ask Date: 2016/10/27

Dr. He Dongjin reply Cardiology


Hello, the conditions you mentioned could be due to poor posture, gastroesophageal reflux, or heart issues.
If you still feel unwell, it is advisable to visit an outpatient clinic for further examination.
Changhua Hospital cares about your health.

Reply Date: 2016/10/27

More Info


Left chest pain can be a concerning symptom, especially when it occurs suddenly or is associated with other symptoms. However, it is essential to understand that not all left chest pain is related to heart problems. Given your age and the previous normal cardiac evaluations, it is less likely that your symptoms are due to a serious cardiac condition.
Based on your description, there are several potential causes for your left chest pain. One possibility is musculoskeletal pain, which can arise from poor posture, especially if you tend to lean on one side while using your computer. This can lead to muscle strain or irritation of the nerves in the chest area, resulting in pain that may mimic cardiac pain. Additionally, if you spend long hours sitting, this can contribute to muscle tension and discomfort.

Another consideration is gastroesophageal reflux disease (GERD), which you mentioned you have experienced previously. GERD can cause chest pain that is often mistaken for heart pain. The pain typically occurs after eating or when lying down, and it may be accompanied by symptoms such as heartburn or regurgitation. If your pain is related to your gastrointestinal issues, it may be beneficial to manage your diet and avoid triggers that exacerbate your reflux symptoms.

Anxiety and stress can also manifest as chest pain. If you are under significant stress or experiencing anxiety, this can lead to muscle tension and even panic attacks, which can present with chest discomfort. It's important to consider your mental health and stress levels when evaluating your symptoms.

Regarding your previous cardiac evaluations, the fact that your electrocardiogram (ECG), chest X-ray, and echocardiogram were normal is reassuring. Mild mitral valve prolapse, which you mentioned, is common and usually does not cause significant symptoms or complications. However, if you continue to experience chest pain, it may be worthwhile to follow up with your healthcare provider for further evaluation, especially if the pain worsens or is accompanied by other symptoms such as shortness of breath, dizziness, or radiating pain to the arm or jaw.

In terms of posture, it is advisable to maintain ergonomic practices while working at your desk. Ensure that your chair supports your back, and try to keep your feet flat on the ground. Taking regular breaks to stretch and move around can also help alleviate muscle tension.

If you experience any of the following symptoms, it is crucial to seek immediate medical attention:
1. Severe chest pain that feels like pressure or squeezing.

2. Pain that radiates to the arm, back, neck, or jaw.

3. Shortness of breath, sweating, or nausea.

4. Dizziness or lightheadedness.

In summary, while left chest pain can be concerning, it is essential to consider various potential causes, including musculoskeletal issues, gastrointestinal problems, and anxiety. Given your previous normal cardiac evaluations, it is less likely that your symptoms are due to a serious heart condition. However, if your symptoms persist or worsen, further evaluation by a healthcare professional is warranted.

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