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This position has closed. Mercyhealth removed this listing from their careers page on Oct 6, 2026. The interview prep below is still useful, and there are similar open roles at the bottom of this page.

Registered Nurse, Stress Lab

Mercyhealth · Crystal Lake, IL · $34.45–$60.87 an hour · Full time

Posted Sep 3, 2026 · We last checked this listing on Oct 4, 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

What cardiac or stress testing experience do you bring?

What they are checking: Whether they understand exercise and pharmacologic stress tests and the risks involved.

Tell me about a time you handled an emergency in an outpatient setting.

What they are checking: Whether they stay calm and use ACLS skills when backup may be limited.

How do you work with the cardiologist and technologists during a test?

What they are checking: Whether they communicate clearly as part of a small team.

What would you do

During a treadmill test, the patient develops chest pain and ST changes. What do you do?

What they are checking: Whether they stop the test, monitor closely, follow protocol and get the provider immediately.

A patient is anxious and says they don't think they can handle the test. How do you help?

What they are checking: Whether they calm and coach patients while keeping safety first.

How do you keep the schedule moving while giving each patient the time they need?

What they are checking: Whether they balance efficiency with safety in a scheduled testing environment.

About the work

Walk me through how you prepare a patient for a stress test.

What they are checking: Whether they cover consent, medication holds, caffeine rules, IV access and baseline EKG.

How do you care for a patient getting a pharmacologic stress test, such as with regadenoson?

What they are checking: Whether they know expected side effects, contraindications and reversal agents.

What arrhythmias would make you stop a stress test right away?

What they are checking: Whether they can recognize dangerous rhythms like ventricular tachycardia quickly.

How do you make sure the crash cart and emergency equipment are always ready?

What they are checking: Whether they take equipment checks seriously since emergencies in the stress lab come fast.

Practice this interview out loud.

Offer builds a real interview for this exact role at Mercyhealth from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Mercyhealth.

OVERVIEW Provides direct patient care by assessing patients, giving medications and treatments, and creating individualized care plans. Works closely with doctors and other healthcare team members to ensure safe, high-quality care while educating patients and families and accurately documenting care. SCHEDULE: 40-hours per week ESSENTIAL DUTIES AND RESPONSIBILITIES • Utilizes the nursing process and collaborates with interdisciplinary team members in caring for patients. • Administers prescribed medications and treatments in accordance with approved nursing techniques, policies and procedures, standards of care, and State laws practice act. • Documents according to standards of care. • Performs assessments, planning, intervention, and evaluation of care. • Develops, initiates, and executes a patient plan of care according to the individualized needs of the patient, as prescribed by Physician and or clinic policy including patient and family instruction. • Participates in department or unit performance improvement activities, may include shared governance. • Utilizes clinical expertise and guidance to other units’ departments in support of the patient’s longitudinal plan of care. • Utilizes critical thinking regarding patient safety and patient experience and appropriately escalates to the appropriate chain of command. • Participates in the professional nursing continuum process, unit practice activities and decisions and peer review process. EDUCATION AND/OR EXPERIENCE • Graduate of an accredited nursing program. • ADN required upon hire, BSN preferred. • May require specific years of applicable experience to qualify (per department guidelines) CERTIFICATION/LICENSURE • Licensed as an RN in state of practice • Approved CPR/BLS certification required within 90 days • Other certification(s) per unit requirements. For example : ACLS, PALS, PEARS, and NRP OTHER SKILLS AND ABILITIES May include color blind test (per department guidelines) LEVEL OF SUPERVISION N/A PAY RANGE: $34.45 - $60.87 Mercyhealth is an Equal Opportunity Employer . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identify, national origin, disability, or protected veteran status. Mercyhealth offers competitive pay and a comprehensive benefits package including: • Medical, Dental, Vision • Life & Disability Insurance • FSA/HSA Options • Generous, accruing paid time off • Paid Parental and caregiver leave • Career advancement and educational opportunities • Tuition and certification reimbursement • Certification Reimbursement • Well-being Programs • Employee Discounts • On-Demand Pay • Financial Education • Annual recognition/awards events • Partner appreciation days • Family entertainment/attractions discount • Community service/improvement opportunities Click here for more details regarding Mercyhealth Careers Benefit Information. At Mercyhealth, we don’t simply hire people, we empower employee-partners who are passionate about making lives better. As an integrated health system, we deliver exceptional, coordinated across seven hospitals, 85 primary and specialty clinics, and a team of over 7,500 professionals serving northern Illinois and southern Wisconsin. Mercyhealth has been nationally recognized for our commitment to our people and culture, including: • #1 in the nation on AARP's Best Employers for Workers Over 50 • One of Working Mother magazine's 100 Best Companies for Working Mothers • A Top 50 Company and Top 10 Nonprofit for Executive Women