lucknow people who have serious covid19 infection especially those having diabetes and hypertension should get themselves tested for clotting in arteries and veins as novel coronavirus infection has increased the risk of developing serious blood clotsdr balbir singh chairman and head of cardiology department max delhi advised this to people in an awareness programme in lucknow on fridaywe are witnessing post covid19 patients with clot in veins and arteries frequently though the number was more after the delta wave some cases are still being reported so it is better if someone has an increased heartbeat breathing difficulty during walking or swelling in abdomen and legs heshe should consult a cardiologist and get tested said dr singhhigher risk patients like hypertension and diabetics should take this advice very seriously he added