Cardiology Tech Full Time Days
Posted Oct 5, 2026 · We last checked this listing on Oct 6, 2026
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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 a time you worked closely with nurses and physicians to care for a patient.
What they are checking: Whether they collaborate well, since cardiology techs support many teams.
The posting asks you to write up your accomplishments and growth goals each year. What would you put on that list right now?
What they are checking: Whether they reflect honestly on their own performance, which the posting says is part of the appraisal process.
What would you do
You run an ECG and see what looks like a dangerous rhythm. What do you do?
What they are checking: Whether they recognize critical values and alert the physician right away per policy, as the posting requires.
A patient becomes dizzy and pale during a stress test. What do you do?
What they are checking: Whether they stop the test, keep the patient safe and get the physician or nurse immediately.
About the work
Walk me through how you prepare a patient and place leads for a 12-lead ECG.
What they are checking: Whether they know correct lead placement and skin prep, since bad placement produces misleading tracings.
What rhythms or findings would you treat as critical on an ECG?
What they are checking: Whether they can identify things like ST elevation, very fast or slow rates and heart blocks that need urgent attention.
How do you apply a Holter monitor and explain it to the patient and family?
What they are checking: Whether they can place the device correctly and teach patients to keep a diary and avoid getting it wet.
The tracing has a lot of artifact. How do you fix it?
What they are checking: Whether they can troubleshoot causes like movement, poor contact or electrical interference before sending it on.
Before a procedure, how do you obtain consent and prepare the patient?
What they are checking: Whether they understand consent steps and patient prep, which the posting lists under interventions.
How do you make sure the right tracing goes into the right patient's record?
What they are checking: Whether they verify patient identity at every step, since mixed-up ECGs can lead to wrong treatment.
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As published by Northwestern Medicine.