Weakness, chest pain, lightheadedness, muscle pain, chills, tingling limbs, headaches, nausea, lightheaded, rapid heartbeat on movement, palps. Cause?

Stress reaction . Your symptoms may be related to a heart issue but due to your age and unknown other medical history, this is less likely. There are also many other causes that may produce these symptoms like stress reaction or anxiety. However the latter causes are not serious, thus it is important that if these symptoms persist that you seek out medical attention to further identify the cause.