hyderabad antiviral medicine remdesivir that was approved and used for covid treatment has been found to slow down heartbeat and tinker with the function of mitochondria the powerhouse of the cellan international study has found that though remdesivir decreased the time of recovery in hospitalised covid patients with lower respiratory tract infections its sideeffects on the heart included hypotension low blood pressure low heartbeat irregular heartbeat atrial fibrillation and even heart attack the study found that people who had remdesivir injections to treat covid19 infections had a condition called bradycardia the most common heart adverse effect was low heartbeat less than 60 beats per minute the study said