Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
1
Is any of this happening now?
Call 911
Seek emergency help for:
Bleeding that does not stop with firm pressure
Rapidly increasing swelling at the insertion site
New chest pain, severe breathlessness, or fainting
Sudden weakness, facial drooping, confusion, or trouble speaking
A hand, arm, foot, or leg that becomes cold, pale, blue, or severely painful
And for anyone, someone who:
has chest pain, tightness or pressure lasting more than a few minutes
Other emergency signs, for anyone
Someone who is struggling to breathe, gasping, choking, or cannot get words out
Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
Someone who is unconscious, or cannot be woken
Someone who is bleeding heavily and it will not stop with firm pressure
Someone who has had a seizure that will not stop, or does not wake up afterwards
Someone who has lips or skin that look pale, blue, grey or blotchy
Someone who you believe has taken an overdose or swallowed something poisonous
2
Is any of this happening?
Be seen today
Contact your healthcare team promptly for increasing tenderness, redness, warmth, drainage, or a new lump at the insertion site.
Also call about fever, worsening bruising, new hand or leg numbness, or pain that is not controlled as instructed.
Every sign above is quoted from the sofidex article on Cardiac catheterization. If you are not sure, err upward — it is always reasonable to be checked.