Gradual heart palps, agitation, irritability, fatigue, slight nausea, no appetite. same issue last month a week prior to period & period 1 week early?

It sounds like: your symptoms are related to hormonal changes associated with your menstrual cycle. This can cause fluid retention which can affect your heart regularity and mood. It would seem appropriate to be evaluated by a health care professional to exclude other potential diagnoses and suggest management or medical therapies to help with your symptoms. Make an appointment soon.