It may well be anxiety
/ panic. When you overbreath you get these symptom, that is what happens when you panic.
An easy test is to slow your breathing(not so easy to do) or rebreath your expired air to increase your carbon dioxide / oxygen
ratio. If that works it may be anxiety or even a thing called pheochromocytoma
All scary problems should be looked at by your doctor, if you want to play it safe and sure.
Hope this helps.