Mitral Valve Prolapse and Its Impact on Ventricular Septal Defect Risks

Mitral valve prolapse and ventricular septal defect?

Hello, Doctor He.
I apologize for bothering you again.
My previous question was about "ventricular septal defect." I would like to ask you the following questions: Can mild mitral valve prolapse lead to a ventricular septal defect? If I engage in physical activities that keep my heart rate above 80, and it occasionally rises above 90, I experience slight dizziness and occasional chest tightness.
When my heart rate reaches 100-120, I experience hyperventilation, numbness, and trembling in my hands and feet.
If I maintain a high heart rate for an extended period, could this lead to other complications or even shock, severely impacting my life safety? The doctor at the public hospital mentioned that mild mitral valve prolapse would not affect my alternative military service, and that the rapid heart rate leading to hyperventilation is a psychological issue.
However, will the long-term high heart rate increase the cardiac workload? Since a person's lifetime heartbeats total approximately 2.6 to 3 billion, will this lead to an earlier depletion of heartbeats? (Athletes tend to have shorter lifespans; could this be related to reaching their heart's maximum beating capacity?) Additionally, if I have mild mitral valve prolapse, is there a chance my application for discharge from military service could be approved? If my application for discharge due to mild mitral valve prolapse is denied and I must complete my service, what is the likelihood of developing other cardiac symptoms after my service period ends?

Awei, 20~29 year old female. Ask Date: 2013/09/07

Dr. He Dongjin reply Cardiology

Hello, mild mitral valve prolapse will not be associated with ventricular septal defects.
Applying for military discharge due to mild mitral valve prolapse is unlikely to be approved.
After the end of service, it will not lead to other cardiac symptoms, and the probability of this is zero.
Mild mitral valve prolapse does not affect cardiac workload.
Rapid heart rate leading to hyperventilation is a psychological issue.
Humans are not machines; even machines do not have a finite number of heartbeats in a lifetime.
This is completely false, so do not be deceived.
Long-term, the cardiac workload will not increase.
The short lifespan of athletes refers to the limited years they can engage in sports as a profession due to physical capacity, which cannot be compared to younger individuals.
This does not refer to lifespan in terms of years lived, so please do not misunderstand.
Changhua Hospital cares about you.

Reply Date: 2013/09/07

More Info

Mitral valve prolapse (MVP) is a condition where the mitral valve does not close properly, which can lead to mitral regurgitation. While MVP itself is generally considered benign, it can be associated with other cardiac conditions, including ventricular septal defects (VSDs), although the two are not directly linked. VSDs are congenital heart defects characterized by a hole in the ventricular septum, which separates the heart's left and right ventricles. MVP does not cause VSDs, but individuals with MVP may have other structural heart anomalies.

Regarding your concerns about elevated heart rates during physical activity, it is important to understand that a heart rate of 80-120 beats per minute can be normal during exertion, depending on the intensity of the activity. However, if you experience symptoms such as dizziness, chest tightness, or tingling in your extremities, it may indicate that your body is reacting to stress or anxiety, which can lead to hyperventilation. Hyperventilation can cause a decrease in carbon dioxide levels in the blood, leading to symptoms like lightheadedness, tingling, and muscle spasms.

Long-term exposure to elevated heart rates can increase the workload on the heart, but it is essential to differentiate between physiological responses to exercise and pathological conditions. Regular exercise is beneficial for cardiovascular health, but if you are experiencing significant discomfort or symptoms, it is crucial to consult with a healthcare provider. They may recommend further evaluation to rule out any underlying cardiac issues or arrhythmias.

As for your concerns about the cumulative number of heartbeats over a lifetime, while it is true that the heart has a finite number of beats, the concept of "using up" heartbeats is more complex. Factors such as genetics, lifestyle, and overall health play significant roles in determining heart health and longevity. Athletes may have higher heart rates during training, but they also tend to have better cardiovascular fitness and lower resting heart rates, which can mitigate some risks associated with high heart rates.

Regarding military service and the implications of having mild mitral valve prolapse, it is essential to consult with the appropriate medical personnel within the military. Generally, mild MVP without significant regurgitation or symptoms does not preclude one from serving. However, if you have concerns about your health and its impact on your ability to serve, it is advisable to discuss these with a military medical officer who can provide guidance based on your specific situation.

In conclusion, while mild mitral valve prolapse is typically not a cause for alarm, it is essential to monitor your symptoms and maintain open communication with your healthcare provider. If you experience persistent symptoms or have concerns about your heart health, seeking a second opinion or further evaluation may be beneficial. Regular follow-ups and a healthy lifestyle can help manage your condition and reduce the risk of complications.

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