I think it depends on how much work they end up doing on you. If you are a simple case, with no complications, stents or special drugs, then you will not feel much except a little sore in the areas worked on.
But if you end up with stents and blood thinners, anticoagulant shots, you may feel tired or even wiped out. I hope you have someone with you on the trip both ways. If they do a lot of work, stay an extra day or two if you can afford it, it makes a difference, in your recovery too. JMO
Good Luck to you and a speedy recovery with tons of improvements.