I am 38 years old weight 89 height 5 ft 8 inch.I have heart  palpitations and  occuring frequently and i cough due to palpitations. I feel like my heart is dropping a beat. Recently I have done ECG  which is  normal. 2D ECHO findings -Mild concentric LV hypertrophy. Also done stress Echo test which is negative. Blood tests CBC,RFT,Thyroid all normal. Lipid profile-Triglycerides 301, Non hdl cholesterol 158,VLDL cholesterol 60. Is it serious?? pls advice