When waiting for a reply it is ALWAYS advisable to do a water change. This serves 2 purposes:
1) to keep any pathogens limited
2) to help keep the tank clean and boost the fish's natural immune system.
This is an excellent resource for diagnosis:
Choose Your Weapon: Freshwater Fish Disease Treatment Options
I am sorry you didn't get the help you need in time.
"puffy gills, little spots around gills and maybe in gills"
It could be a fungus... without a pic it is REALLY difficult to tell.
Again sorry for your loss