A 26 years old female came with history of chest pain for 3 days , 3months ago and ecg was taken which shows ectopic beats, 24 hours holster study was done and which shows SVT. Patient is on prolomet 12.5 mg. Patient had hypokalemia of 3.2. Patient now came with chief complaints of generalised body weakness and fever. Patient had stopped taking medication since 3 days . How to proceed with this case? What is the step wise evaluation of this case. What are the differential diagnosis and what is the management of this case? Think as a physician and answer it