I have High heart beat. Opinion Heart CT

Dear Doctor, I have raised heart beat of 101 to 135, for the past 1 day. I have 101 degrees fever. Passing more urine at night. What could be the reason for heart beat to increase at rest for the past 1 day? I had Coldact for cold fever yesterday night. Cardiologist suggested Angiography. I am frightened to do Angiography can I do Heart CT scan with dye? I have uritcaria and kidney stone. I am 41 years old unmarried male. I am 104kg in weight and 5 feet 6 inches height. I have Asthma, urticaria, insomnia Kidney stone and severe GERD. Having  GERD PPI medicine for the past 9 months. Asthma medicine Montek AB Formoflo inhaler. Kidney stone, Urologist given me Alfoo 10mg, having for the past few days. Cetrizen medicine for urticaria. Inzofresh tablet for no sleep. I went for TMT but could not do it due high heart beat 125 on walking for half second. Cardiologist has given me medicine Inderla 20 mg now. Please advise.