All well and good if it can be done but if you're in the woods and it's going to be a long while I'm going to keep the bite lower than the heart, use a constriction band and use ice or cold water.
That's just me.
I know people that have been bitten by both and it's no picnic.
Probably a good idea to carry a bottle of snakebite medicine, preferably made in Kentucky. “
When I was in the service one of my fellow medics told me when he was in the field he had a company cook who reversed the process and took the snakebite medicine first then played “tag” with a copperhead to show how fast he was. The copperhead won. The cook was treated just as you described less the medicine then when he pulled through he got article 32’ed
Play stupid games, win stupid prizes.