I got test my mother when she feeling not well Ecg found sinus arrhythmia and short PR interval Blood test - b12 and d3 deficiency Thyroid T3 high little bit No bp (127/65) No diabetes (Blood sugar ( 95)) Symptoms - Weakness Body pain Lightheadedness Palpitations Is this dangerous anything, and what to do now Age - 67 15 years of depression and anxiety patient, but since last 6 years medicine was not given because after her accident where her hand got fractured, she never took depression medicine...and all ok since than...but last one year this issue arises.