Thank u Hun
I really can't figure out what's wrong with me
Just before typing this reply to u I was sitting down doing nothing just sitting and watching TV and my heart skipped beat 3 times
I really don't know what triggers it?
First your young age is on your side.. that means you should be fine...but checking with a cardiologist is a good safety measure.
Your age is too far in my past to remember clearly, but I do remember I had some anemia problems accompanied by low weight (skinny) and I had some dizziness problems... that said, it is normal for anyone who makes a sudden change in activity level, such as you describe: has both mental and physical jolts, to get dizzy... heart fast, that too.
Try to get up from sitting to walking in a straight forward way, you're young, but don't "Jump" - see then if you have any further episodes. Keep tract to discuss with your doctor.
If you haven't had a full blood test, including hemoglobin and red blood cells, I think that is something that should be checked - i.e. anemia related.