Heart Palpitations and Chest Pain: When to Seek Help - Cardiology

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At night while lying down, I feel my heart beating very strongly, and I can hear the sound of my heartbeat (it sounds crisp) accompanied by pain in the left chest?


Hello Doctor: On March 31st (Tuesday) evening, while rushing to catch a ride, I suddenly experienced a tearing and burning pain in my left arm.
The next day (Wednesday) night, while lying down to sleep, I felt my heart beating very strongly, to the point where I could hear the sound of my heartbeat (it sounded crisp), accompanied by tight and pulling pain in my left chest.
Each heartbeat caused pain, and I found that sitting up relieved much of the discomfort, while lying down exacerbated it.
For the next four days, I felt significant discomfort in my left chest; during the day, standing or sitting didn’t bother me, but lying down made it very uncomfortable, and running caused more pain, especially sharp pain in my left armpit.
I visited a small clinic, where the doctor suspected a left shoulder muscle strain and recommended that I see a cardiologist at a larger hospital for my left chest pain.
He prescribed painkillers, which alleviated my left shoulder pain and the strong heartbeat and chest pain when lying down.

A week later, on April 8th, while carrying a backpack, I felt a tearing pain in my left shoulder again.
When I got home and lay down, the same symptoms returned, but this time the pain radiated from my left chest to my left armpit and the back of my neck, extending towards my left ear, lasting for over three minutes each time.
The pain was so intense that I felt like I might die, and I couldn’t rest well at night.
I went to a pediatric department at a large hospital (due to my age), where chest X-rays and an ECG showed normal results, but a mild pneumothorax was detected.
The doctor thought the strong heartbeat was just palpitations and prescribed medication to control them.
However, I still experienced pain when lying down.
After taking the medication for two days, I noticed a significant decrease in my heart rate, and the pain while lying down subsided.
During a follow-up visit, the doctor confirmed that the pneumothorax had resolved and mentioned that my heart pain and pneumothorax were not significantly related, advising me to return if I had further issues.

Since then, I have not experienced any significant discomfort, though occasionally while sitting, I feel tightness in my left chest and a momentary sharp pain in the lower left chest with breathing, which makes me anxious about experiencing sudden pain at night again.
I would like to ask the doctor if my situation seems to be merely palpitations? Is there a possibility of unstable angina, myocardial ischemia, or atherosclerosis? Could it also be possible that my ECG was normal at the time of the examination? I apologize for taking up your valuable time to read about my condition, and thank you.

Xingyin, 10~19 year old female. Ask Date: 2020/05/02

Dr. Cai Guiqin reply Cardiology


It is recommended that you discuss the above situation with your attending physician to determine if further examinations are necessary or if a referral to a cardiologist is needed.
Thank you, and wishing you good health!

Reply Date: 2020/05/02

More Info


Your symptoms of left arm pain, chest tightness, and heart palpitations can be concerning, especially given the intensity and duration of the pain you described. It’s important to understand that while some symptoms may suggest a cardiac issue, others may be related to musculoskeletal problems or anxiety.
From your description, it seems that the pain is exacerbated when lying down and alleviated when sitting up. This positional nature of your pain could indicate a musculoskeletal issue, such as a muscle strain or nerve irritation, rather than a primary cardiac problem. The fact that you have experienced relief with pain medication also supports this idea.
However, the sensation of your heart beating strongly and the associated pain in your chest and left arm should not be ignored. Heart palpitations can occur due to various reasons, including anxiety, stress, or even stimulants like caffeine. In some cases, they can be a sign of an underlying heart condition, especially if they are accompanied by chest pain, shortness of breath, or dizziness.

Given your history of left arm pain and the recent episodes of chest discomfort, it is wise to continue monitoring your symptoms closely. You mentioned that you have undergone several tests, including chest X-rays and ECGs, which have returned normal results. This is reassuring, but it’s also important to remember that some heart conditions may not always be evident on initial tests.
Unstable angina or myocardial ischemia could present with similar symptoms, but these conditions typically manifest with more consistent and severe symptoms, especially during physical exertion or emotional stress. If your symptoms were related to a significant cardiac issue, you would likely experience more persistent pain or discomfort, especially during activities.

It’s also worth noting that anxiety can significantly amplify physical sensations, leading to a cycle of worry and increased awareness of bodily sensations. This can sometimes create a perception of more severe symptoms than what is actually occurring.

In terms of next steps, it would be prudent to follow up with a cardiologist if your symptoms persist or worsen. They may recommend further testing, such as a stress test or echocardiogram, to evaluate your heart function more thoroughly. Additionally, if you experience any new symptoms, such as severe shortness of breath, dizziness, or fainting, you should seek immediate medical attention.

In the meantime, consider lifestyle modifications that may help alleviate your symptoms. Regular exercise, a balanced diet, and stress management techniques such as mindfulness or yoga can be beneficial. If anxiety is a significant factor in your symptoms, speaking with a mental health professional may also provide support.

In summary, while your symptoms may not currently indicate a serious cardiac issue, it is essential to remain vigilant and proactive about your health. Continue to monitor your symptoms, maintain open communication with your healthcare providers, and do not hesitate to seek further evaluation if your condition changes.

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