Could My Symptoms Indicate Myocarditis? Heart Health Concerns

Could this be myocarditis?

Hello, Doctor.
Since August 12, I've been feeling something unusual in my throat, and starting from August 13, I developed a sore throat.
After visiting a doctor and receiving medication, the sore throat subsided.
However, I experienced some discomfort in my chest and an increased heart rate (averaging between 80-100 bpm).
I consulted a cardiologist who listened with a stethoscope and mentioned some heart murmurs, diagnosing me with mitral valve prolapse and regurgitation.
Is the chest pain related to this condition? Then, on August 16, my throat started feeling strange again, accompanied by a runny nose and cough, along with a slight fever (37.6°C) and the onset of diarrhea.
My heart rate remained between 80-100 bpm, and I felt palpitations, extreme fatigue, and occasional chest pain with some shortness of breath.
I found information suggesting that a cold with diarrhea could be a precursor to myocarditis.
Is it possible that I have myocarditis? I had blood tests for cardiac enzymes and an electrocardiogram in June, both of which were normal.
Is it possible for my heart to develop such a serious condition in just two months? I have many questions, and I appreciate your guidance! Thank you!

Ailee, 30~39 year old female. Ask Date: 2023/08/17

Dr. Wu Xueming reply Cardiology

Based on the symptoms you described, it does not appear to be myocarditis.
However, if these symptoms persist without improvement, it is advisable to go to the hospital for further evaluation.

Reply Date: 2023/08/17

More Info

Your symptoms and concerns regarding myocarditis are understandable, especially given the recent onset of throat discomfort, chest pain, palpitations, and fatigue. To address your question, let's first clarify what myocarditis is and how it relates to your symptoms.

Myocarditis is an inflammation of the heart muscle, often caused by viral infections, autoimmune diseases, or exposure to certain toxins. Common symptoms include chest pain, fatigue, shortness of breath, and palpitations. In some cases, individuals may also experience flu-like symptoms, such as fever, sore throat, or gastrointestinal issues, which could align with your recent experiences of throat discomfort, low-grade fever, and diarrhea.

Given that you have a history of mitral valve prolapse and regurgitation, it’s important to note that these conditions can sometimes lead to symptoms similar to those of myocarditis, particularly if there is an exacerbation of the valve issues. The presence of a heart murmur, as noted by your cardiologist, may indicate that your heart is under additional strain, which could contribute to your symptoms of chest discomfort and palpitations.

Your heart rate of 80-100 beats per minute is considered within the normal range for many individuals, especially during periods of anxiety or discomfort. However, if you are experiencing significant fluctuations in your heart rate or persistent symptoms, it is crucial to follow up with your healthcare provider.
The fact that you had normal cardiac enzyme levels and an electrocardiogram (ECG) just two months ago is reassuring. These tests are essential in ruling out acute myocardial injury. However, myocarditis can develop rapidly, and symptoms may not always correlate with previous test results.
Given your current symptoms, including chest pain, palpitations, and fatigue, it would be prudent to seek further evaluation. A repeat ECG, echocardiogram, or even cardiac MRI may be warranted to assess for any changes in heart function or structure. Additionally, blood tests to check for markers of inflammation or viral infections could provide further insight.

In the meantime, it is advisable to monitor your symptoms closely. If you experience worsening chest pain, significant shortness of breath, or fainting spells, you should seek immediate medical attention.
Lifestyle modifications can also play a role in managing your symptoms. Reducing stress, maintaining a balanced diet, staying hydrated, and avoiding stimulants like caffeine can help. Regular follow-ups with your cardiologist are essential to monitor your heart health, especially given your existing conditions.

In summary, while your symptoms could potentially indicate myocarditis, they may also be related to your existing mitral valve issues or other benign causes. It is crucial to continue working closely with your healthcare provider to ensure appropriate evaluation and management of your symptoms.

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