Prolonged Palpitations: Causes and Concerns - Cardiology

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Experiencing prolonged palpitations can be concerning, especially when accompanied by other symptoms such as fever, chest tightness, and sleep disturbances. Based on your description, it seems you have recently gone through a viral illness, which can sometimes lead to lingering symptoms, including palpitations. Let's break down the potential causes and concerns regarding your situation.


Possible Causes of Prolonged Palpitations
1. Post-Viral Syndrome: After a viral infection, some individuals may experience a range of symptoms, including fatigue, palpitations, and anxiety. This is sometimes referred to as post-viral syndrome, where the body takes time to recover fully from the infection.

2. Anxiety and Stress: The experience of illness can lead to increased anxiety, which may manifest as palpitations. Anxiety can cause the heart to race and can also lead to hyperawareness of bodily sensations, making you more aware of your heartbeat.

3. Dehydration or Electrolyte Imbalance: If you had a fever, it’s possible that you became dehydrated or had an imbalance in electrolytes, which can affect heart rhythm and lead to palpitations.

4. Caffeine Intake: You mentioned enjoying green tea and milk tea. Both can contain caffeine, which can stimulate the heart and potentially lead to palpitations, especially if consumed in large quantities.

5. Underlying Cardiac Issues: While your initial ECG showed no abnormalities, it’s essential to consider that some heart conditions may not be evident on a short ECG. If symptoms persist, further evaluation may be warranted.


Concerns and Recommendations
Given that your palpitations have been ongoing for over 24 hours and are accompanied by other symptoms like chest tightness and sleep disturbances, it’s crucial to monitor your condition closely. Here are some steps you can take:
1. Consult a Healthcare Professional: Since your symptoms have persisted, it would be wise to follow up with a healthcare provider. They may recommend further testing, such as a Holter monitor (a 24-hour ECG) or an echocardiogram, to assess your heart's function more thoroughly.

2. Manage Stress and Anxiety: Consider incorporating relaxation techniques into your routine, such as deep breathing exercises, meditation, or yoga. These practices can help reduce anxiety and may alleviate some of the palpitations.

3. Monitor Caffeine Intake: If you suspect that caffeine may be contributing to your symptoms, try reducing your intake and observe if there’s any improvement in your palpitations.

4. Stay Hydrated: Ensure you are drinking enough fluids, especially if you have had a fever. Proper hydration can help maintain electrolyte balance and overall heart health.

5. Sleep Hygiene: Since you mentioned difficulty sleeping, focus on improving your sleep environment. Create a calming bedtime routine, limit screen time before bed, and ensure your sleeping area is comfortable and conducive to rest.

6. Keep a Symptom Diary: Documenting when your palpitations occur, their duration, and any associated symptoms can provide valuable information for your healthcare provider.


Conclusion
While palpitations can be benign, especially following an illness, persistent symptoms warrant further investigation to rule out any underlying conditions. It’s essential to listen to your body and seek medical advice when needed. Remember, your health is a priority, and addressing these symptoms early can lead to better outcomes. If you experience severe symptoms such as chest pain, shortness of breath, or fainting, seek emergency medical attention immediately.