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
Call emergency services if you develop:
Severe or persistent chest pain
Major trouble breathing, fainting, or sudden weakness
Bleeding that does not stop after firm pressure
Signs of stroke, such as facial drooping or difficulty speaking
These need attention but are not automatically emergencies.
Other emergency signs, for anyone
Someone who is struggling to breathe, gasping, choking, or cannot get words out
Someone who has chest pain, tightness or pressure lasting more than a few minutes
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 pain, a growing lump, repeated palpitations, fever, drainage, spreading redness, or worsening swelling at the access site.
3
Does any of this apply?
Book an appointment
For routine questions about bruising, activity, wound care, or results, use the contact details provided by the treating facility.
Every sign above is quoted from the sofidex article on Myocardial biopsy. If you are not sure, err upward — it is always reasonable to be checked.