Im 24yes male ,weight 94kgs,Yesterday head ache and head revolving and checked bp with local clinic said 120/100 ,I am tensed today went to cardiologist and checked it is 120/80, pulse 133,spo2 99,today I'm having head revolving and heart beat is faster ,earlier 8 months back bp checked by local doctor it is 140/90 went to cardiologist he done Ecg and 2d echo and said normal it 9s due to tension ,today the doctor checked my pulse and bp and said no medicine is required it is due to stress ,is this sufficient or I should undergone 2d echo ,and how to reduce pulse rate