I'm trying to understand my recent ECG results that mentioned a sinus rhythm with right axis deviation. I've been having occasional chest thumping, especially after drinking things with caffeine, trouble sleeping, and sometimes shallow breathing. What could this mean for my health, and should I be worried?

Sinus rhythm right axis deviation on an ECG indicates that the electrical impulses in your heart are following a normal pattern, but the direction of the electrical activity is slightly shifted to the right side of the heart. This can be a normal variation for some individuals, but it can also be associated with certain heart conditions. Based on your symptoms of chest thumping after consuming caffeine, difficulty sleeping, and shallow breathing, it is important to consider the possibility of underlying heart issues such as arrhythmias or palpitations. I recommend consulting with a cardiologist for further evaluation and management. In the meantime, you can try to reduce your caffeine intake and practice relaxation techniques to help with your symptoms.