Whiplash. Left ear pressure, ringing. Tight/pain left jaw/neck. Trapped nerve. Chest pain, ER said not heart/lung. Possible artery issue in neck?

Neck Pain. If there is a recent trauma or accident, then this may be part of the injury process and healing will take place. More information is necessary to be able to help you. Was there an accident when? Any other health issues which are making you think it is an arterial issue?

Related Questions

Aneurysm or high risk of heart attack or stroke cause taste of blood in throat? Myocardial infraction, inflamed plaque, head pain, chest pain-symptoms!?

Not signs. This would not be a sign of those conditions. You may be having some postnasal drop or sinus type problem. See your Physician if symptoms persist or worsen. Read more...
Never heard of that. I've never heard nor read of that symptom you describe as an aura or prelude to either heart attack or stroke. If the taste persists you may wish to have that checked since it could indicate an actual small area of bleeding somewhere in your esophagus or pharynx meaning that the taste is not just "in your head" but rather it's really blood. And that you'll need to fix or at least figure out. Read more...
Taste of blood. Taste of blood may be coming from post nasal drip that is blood tinged and not from an aneurysm. Read more...

I have pain and numb in left jaw, head, neck, arm and pressure in chest. This is frequent. But sometimes no pain. Could this still be related to heart?

Yes. Yes it could be very well related to heart. Please consult cardiologist as soon as you can. If the pain is getting frequent or worser in intensity consider going to er. You r too young though but if you have high risk factors this could be very well cardiac related. Read more...