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Swelling of feet in this setting needs investigations to exclude heart failure
[There are other reason - kidney
, liver, veins, low protein and anaemia
If increasing the dose of beta blocker
does not help and you have side effects - a drug from a different class may be added.
But it is better to investigate first as to the cause of the rate.
Anxiolytics are helpful at times
Discuss with your doctor.
Wishing speedy recovery