I have worked in LTC, subacute rehab, and acute care.
In LTC your main skill is to pass PO meds, some residents are on a TON of meds, then comes checking blood sugars and then administering insulin, so you will be doing countless SQ injections, I however rarely did any other form of injection. Nebulizer treatments, some collecting of lab specimens. You may rarely do IV therapy. You will probably have to care for G tubes of some sort, possibly colostomy care, and trach care. Usually basic wound care at some point and making sure residents skin isn't breaking down (a real problem with elderly in NH). You won't be using acute assessment skills very often, usually if something is wrong you assess the resident and call the doc and they are sent off to the hospital.
In subacute it's all of the above with more assessment skills, IV therapy much more often, staple/suture removal, pt teaching, catheterization, more complex wound care....
In the hospital it's usually whatever your BON and hospital allow. I work in postpartum so we don't do most of the stuff a med/surg floor does. But I daily do IV therapy - fluids, piggybacks, IV push meds. I just don't start the IVs. I do my own pt assessments which are thorough head to toe.
You have to discover what your passion is and what is available where you live. The great part of nursing is that if you don't like one thing you can try another - so don't be afraid to dive in and give something a chance :spin: