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Registered Nurse Cardiology - PRN

Mercyhealth · Janesville, WI · $33.78–$58.50 an hour · Per diem

Posted Jul 30, 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

What cardiology experience do you have, and how do you keep up as a PRN nurse?

What they are checking: Whether they can step in with current skills on a part-time basis.

Tell me about a time you resolved a system breakdown in patient care.

What they are checking: Whether they take initiative to fix broken processes, since the posting stresses problem solving that improves care for every patient.

How do you help with patient flow in a busy cardiology clinic?

What they are checking: Whether they help keep a busy clinic moving through teamwork, since delays frustrate patients and limit how many people get seen.

What would you do

A patient calls with new swelling in their legs and shortness of breath. How do you triage the call?

What they are checking: Whether they recognize possible heart failure symptoms over the phone and direct the patient to timely care instead of waiting.

A patient is confused about their many heart medications. How do you help?

What they are checking: Medication education and use of tools like lists or pill organizers.

How do you handle a complex patient situation that needs several people involved?

What they are checking: Whether they know when and how to bring the right people together, since complex patients need coordinated care and clear escalation.

About the work

How do you teach a patient with heart failure to manage their condition at home?

What they are checking: Whether they teach daily weights, salt limits and medication adherence clearly, since good self-management keeps heart failure patients out of hospital.

What lab results would concern you for a patient on a diuretic?

What they are checking: Whether they watch potassium and kidney function in patients on diuretics, since imbalances can cause dangerous arrhythmias or kidney injury.

How do you make sure your documentation meets system standards?

What they are checking: Whether their documentation is accurate, timely and complete, since the chart protects patients and supports safe care across the clinic.

What would you do if a patient's EKG showed a new arrhythmia?

What they are checking: Whether they recognize a new arrhythmia and escalate appropriately, since some rhythm changes require prompt treatment to prevent complications.

Practice this interview out loud.

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The full job description

As published by Mercyhealth.

ESSENTIAL DUTIES AND RESPONSIBILITIES • Utilizes the nursing process and critical thinking in collaboration with interdisciplinary team members in caring for patients. • Performs assessments, planning, intervention and evaluation of care • Administers prescribed medications and treatments in accorda nce with approved nursing techniques, policies and procedures, standards of care, and state laws and practice act as required by care setting. • Ensures all documentation is accurate and comprehensive in accordance with the established standards of care for docu mentation at the system and entity levels. • Develops initiates and executes a patient plan of care according to the patient individualized needs, as prescribed by the physician along with hospital policy. Utilizes resources available to teach and support pati ent and family education. Provides education to the appropriate level of understanding. • Participates in department or unit performance improvement activities, which may include shared governance. • Utilizes clinical expertise and guidance to other units and depart ments in support of the patient longitudinal plan of care. Acts to resolve systems breakdowns and engages self and others in providing solutions • Utilizes critical thinking in regards to patient safety and patient experience, manages complex situations an d delegates to other staff appropriately. Escalates to the appropriate chain of command as needed. • Positively influences the professional and organizational environments and shared governance. • Engages in personal development and supports system-entity oppo rtunities for continuous learning and growth including developing or revising evidence-based practice guidelines. • Supports and participates in peer review and peer feedback opportunities. • Participates in the professional nursing continuum • Clinic and Ambula tory RNs will maintain timely flow of patients, in addition to responding to telephone calls and performs telephone triage of patients. • Illinois: 10 hours of continued education as required for IL licensure 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 or BLS certification required within 90 days Other certification or certifications 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 Carries out supervisory responsibilities in accordance with the organization policies and applicable laws. Responsibilities include training employees; planning, assig ning, and directing work; appraising performance; addressing complaints and resolving problems . SUPERVISES Supervises nursing support staff as appropriate PAY RANGE: $33.78 - $58.50 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 benefits, including retirement, time off, on-demand pay, access to the Employee Assistance Program (EAP), and more. Click here for more details. 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

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