Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services for bleeding that does not stop with firm direct pressure, severe shortness of breath, chest pain, fainting, or a catheter that has come out.
If bleeding occurs, apply firm pressure with clean gauze while help is arranged.
Contact your dialysis or access team promptly for increasing redness, warmth, drainage, swelling, fever, worsening pain, loss or weakening of the access vibration, or bleeding that takes longer than usual to stop.
Seek urgent medical care if your hand becomes cold, pale, blue, very painful, weak, or numb.
Routine questions about dressings, bathing, work, or when the access can be used can usually wait for the dialysis unit or scheduled follow-up visit.
Every sign above is quoted from the sofidex article on Hemodialysis access procedures. If you are not sure, err upward — it is always reasonable to be checked.