Your history needs to be taken in detail to come the cause of your heart palpitation.
The medication you have been taking is probably for anxiety.
Why you were asked to undergo ECG and 2D echo will be cleared only on one to one consultation.
I also need to know if have you have any more symptoms and what food did you have before palpitation.
Next Steps
book a consultation with any general physician.
you might be suggested CBC.
Health Tips
avoid caffeine, alcohol or any stimulants.