Welcome to HCM
After going through history of your father he has multiple heath issues Hypertension
,DVT and PPI placement Heart failure
, as his EF is 32%.
According to his condition his medicines seems to be alright.
The test PT is on higher(INR 3.03) side so consult your Cardiologist so as to adjust the dose of Acitrom.
Thyroid function must be checked as Cardarone can have effect on thyroid function.
One more thing Aspirin/Clopidogrel
is he taking ?
You may discuss with your Cardiologist If he needs any
He should restrict salt and fluids intake.
resricted activity and medications time to time
He should be stable for long time