Registered Nurse (RN) - Cath Lab
Posted Sep 24, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about your ICU, ED or cath lab experience and how it prepares you for this role.
What they are checking: Whether their background gives them the critical care skills the posting requires.
Tell me about a time you spoke up during a procedure because something wasn't right.
What they are checking: Whether they will speak up in a physician-led room when patient safety is at stake.
How do you explain to a nervous patient what will happen during their cath?
What they are checking: Whether they can calm patients with simple, honest explanations before an invasive procedure.
What would you do
You're on call and get paged for a STEMI at 2 a.m. You have 30 minutes to arrive. What do you do from the moment you get the page?
What they are checking: Whether they understand door-to-balloon urgency and can be ready to go within the required response time.
In the middle of a procedure, the patient's blood pressure drops suddenly and they say they feel strange. What are you thinking and doing?
What they are checking: Whether they can think through causes like bleeding, tamponade or vagal reaction and act quickly with the team.
This part-time role includes on-call seven days a month with weekends. How does that work with the rest of your life?
What they are checking: Whether they can truly meet the call commitment and response time without gaps.
How do you work with the techs in the lab when roles overlap during a busy case?
What they are checking: Whether they collaborate smoothly in a small procedural team where everyone has to move fast.
About the work
Walk me through how you prepare a patient for a heart catheterization before they come into the room.
What they are checking: Whether they know the key pre-procedure checks like consent, allergies, kidney function, anticoagulants and baseline pulses.
How do you manage moderate sedation during a cath, and what makes you stop and call for help?
What they are checking: Whether they can safely give sedation and recognize airway or breathing problems early.
How do you care for a femoral or radial access site after the sheath comes out?
What they are checking: Whether they know how to prevent and spot bleeding, hematoma and loss of pulse after the procedure.
What rhythms do you watch for during a cath, and how would you respond to ventricular fibrillation on the table?
What they are checking: Whether they can recognize dangerous rhythms and act under ACLS right away.
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Practice this out loudThe full job description
As published by Advocate Health.