I felt an irregular heartbeat in the morning – is it serious?

Question

Hello doctor,

I am 21 years old and have never had any health issues. A few days ago, I woke up with an irregular heartbeat, which felt strange—like 1-2-1-2-123-1-2, and so on. So, I went to the doctor and had an ECG. The doctor said it was sinus arrhythmia, which is common and not something to worry about. I feel fine now. I also had bloodwork done, and everything came back normal, except for a slightly high red blood cell count (5.54). They did not mention anything about that, though. Should I be concerned that this could develop into something more serious? Occasionally, my left arm feels colder than my right. I am a bit of a hypochondriac, so I would appreciate your thoughts on all of this.

Answer 1

Hello,

Welcome to icliniq.com.

An irregular heartbeat can be normal in healthy people, but it can also be abnormal at times. Premature ventricular contractions (PVCs) are sometimes normal. On the other hand, paroxysmal atrial fibrillation is an abnormal rhythm that can lead to long-term complications. These are two of the most common causes of an irregular heartbeat. If you experience such heartbeats again, long-term ECG monitoring (such as Holter monitoring for 48 hours or an event monitor) may be needed to diagnose any abnormal rhythms. Sinus arrhythmia is almost never felt. It is important to avoid alcohol, smoking, caffeine, and stress. Please follow up if you experience any similar symptoms again.

Thank you.