What is a cath lab nurse? The ultimate guide

According to the latest 2024–2026 data from the Centers for Disease Control and Prevention (CDC), heart disease remains the leading cause of death in the United States, accounting for approximately 683,491 deaths annually (nearly 1 in every 5 deaths).
In response, the volume of cardiac catheterization procedures has surged, with over 1.2 million procedures now performed annually in the US to diagnose and treat patients with coronary heart disease and other related disorders.
This growth is driven by a shift toward minimally invasive structural heart interventions and the use of AI-enhanced fluoroscopy to treat complex cases that previously required open-heart surgery.
Yes, you guessed it: These procedures would not be possible without the assistance of cardiac cath lab nurses.
Whether you are still in nursing school or have years of work experience under your scrubs, read on to learn all there is to know about cardiac cath lab nursing to help you decide if this specialty is the right career move for you.
Cath lab nurse salary guide
Cath lab nursing remains one of the highest-paying non-advanced practice specialties due to the high level of technical skill required and the significant “on-call” demands.
Average annual salaries:
- Staff cath lab nurse (national average): $92,400
- Travel cath lab nurse (national average): $140,712 ($2,706 per week)
- Top 10% (senior/certified): $158,000+ (specifically in high-acuity urban centers)
These are the highest-paying states for cath lab nurses:
How the call-back guarantee impacts income
Most facilities offer a “call-back guarantee.” What does that mean?
If you are called in at 2:00 a.m. for a heart attack, you are often guaranteed at least 2–4 hours of pay at 1.5x your base rate, regardless of how long the procedure actually takes.
What does CCL stand for?
The abbreviation CCL stands for cardiac catheterization laboratory, more commonly referred to as cardiac cath lab or simply cath lab.
Cath lab is a medical procedure that provides X-ray images of a patient’s heart and blood vessels to diagnose coronary artery disease.
What does cath lab mean in medical terms?

Cardiac catheterization is a procedure through which a catheter—a small, flexible tube—is inserted into a large vessel in a patient’s upper thigh or arm and guided through the arteries to the heart.
Is cardiac catheterization the same as an angiogram?
No. Cardiac catheterization is the procedure. The angiogram is the diagnostic imaging performed during the procedure.
A contrast dye is injected into the catheter to show blood flow through the heart's arteries. This dye allows doctors to identify the location and size of possible blood-flow restrictions, such as narrowed or blocked arteries. This information, in turn, helps cardiologists develop a treatment plan.
Numerous procedures may be carried out in a cath lab by a cardiologist and a team of nurses and technicians.
A cardiac catheterization or an angiogram may be performed due to an emergency, such as a heart attack in progress. Cardiac cath lab procedures are also performed as diagnostic tools to check for blockages. There are different procedures for catheterization.
Interventional procedures
These are non-surgical cardiac interventions that use specialized catheters to “open” blocked arteries that supply blood to the heart.
These procedures begin the same way as diagnostic procedures; however, in this case, the cardiologist will open the blocked artery using an interventional procedure.
The procedure itself lasts between 1.5 and 2.5 hours, with additional time for preparation. Patients sometimes need to stay overnight in the hospital.
Balloon angioplasty
During this procedure, a cardiologist will use a catheter with a small balloon at its tip, which can be inflated from the outside.
A cardiologist threads the balloon catheter into the part of the artery that has become blocked by plaque, a fatty substance that doesn’t allow blood to flow properly. At this point, the balloon is inflated and deflated many times, compressing the plaque and stretching the artery open to increase blood flow.
Stent
A stent is a tiny, metal mesh tube used with balloon angioplasty. The stent is connected to a balloon-tipped catheter and threaded through the artery to the location of the blockage.
When the balloon is inflated, the stent opens and becomes permanently embedded within the blocked artery to keep it open and prevent it from collapsing or reblocking with plaque. Multiple stents may be used depending on the number of blockages.
Rotoblation
During rotoblation, a catheter with an acorn-shaped diamond-coated tip is guided to a blocked artery. Then, the diamond-coated tip spins, grinding away the built-up plaque.
The small particles of plaque are washed away in the bloodstream and filtered by the liver and spleen.
Cutting balloon
A cutting balloon catheter has a balloon tip with small blades. When the balloon is inflated, the blades scrape some of the plaque from the arterial wall, and the balloon compresses the remaining plaque against the arterial wall, opening the narrowed artery.
Pacemaker
Pacemakers are battery-powered devices the size of matchboxes that help the heart beat in a regular rhythm and, therefore, are used with patients with a slow and irregular heart rhythm. They are implanted under the skin and fatty tissue near the collarbone.
Peripheral artery disease (PAD) treatment
To treat vascular diseases, such as PAD, a cardiologist inserts a catheter in the femoral artery in the groin and threads it until the blocked artery in the patient’s leg. Next, a balloon is inflated to open the narrowed or blocked blood vessel.
In some cases, this is then held open with a stent. This treatment does not require surgery, simply a small opening in the skin about the size of a pencil tip.
Recent studies have shown that rapid cardiac intervention is the most effective treatment for saving heart muscle in cases of ST-elevation myocardial infarction (STEMI), a serious type of heart attack with a great risk of complications and death.
In these situations, emergency balloon angioplasties are performed, or stents are implanted.
What is a cardiac catheterization lab unit in a hospital?
A cardiac cath lab is a specialized area in a hospital where doctors perform catheterizations, which are minimally invasive tests and advanced cardiac procedures that help diagnose and treat cardiovascular disease.
These units are equipped with advanced imaging technology that enables the care team to diagnose and treat blockages and other conditions without surgery.
Routine procedures are scheduled during daytime hours; however, cath lab staff must be ready to perform emergency catheterizations around the clock.
The following are diagnostic cath lab procedures:
- Constriction and restriction studies
- Coronary, renal, peripheral, carotid, and other forms of angiography
- Endomyocardial biopsy
- Intracardiac and intravascular ultrasound
- Evaluation of complex valvular disease
- Coronary physiology, microcirculation, and endothelial assessment
- Services for organ transplant patients
- Left and right heart hemodynamic assessment
Managing conditions with catheterization
In addition, the following catheterization procedures are performed to treat or manage conditions:
- Balloon atrial septostomy
- Balloon valvuloplasty and transcatheter aortic valve replacement
- Balloon dilatation and stent placement
- Angioplasty and stenting as a treatment for PAD
- Carotid angioplasty and stenting
- Closure of periprosthetic valve leaks
- Clot removal with an aspiration device
- Coronary catheterization and stents to treat coronary artery disease
- Enhanced external counterpulsation as a treatment for chest pain
- Percutaneous mitral valve repair
- Plaque removal with a rotating device
- Pulmonary artery angioplasty to open lung arteries blocked with chronic clots and improve pulmonary hypertension
- Pulmonary vein stenting to treat blocked veins
- Septal ablation
- Stereotaxis magnetically assisted intervention
- Transcatheter insertion of a coil or occluder
- Ventricular assist devices (VADs)
Depending on the facility, cardiac cath labs may be part of coronary artery disease clinics.
Cath labs may also be divided into 2 units: one for coronary diagnostic and interventional procedures, and another for electrophysiology studies to diagnose and treat abnormal heartbeats (arrhythmias).
What is the role of a cardiac cath lab nurse?
Cath lab nurses assist cardiologists in diagnostic cardiac catheterizations and interventional procedures. They also assess patients and manage patient care in the cath lab, including monitoring patients for improvements or complications and administering medications.
Here’s a some insight from a nurse on Reddit:
“Our lab also has techs and nurses doing the same roles and we all rotate between scrub, monitor, and circulator. It helps a lot since in this case you get to learn all the roles and see the bigger picture. How the lab has roles set up differs from place to place. In some, the techs will only scrub and nurses monitor and circulate. In others techs scrub and monitor and nurses only circulate. Some have a dedicated monitor. Some have a dedicated sedation and medication nurse. How the roles are set up will change things a lot.”
What does a cath lab nurse do?
As noted by the Reddit nurse, depending on the facility and a cath lab nurse’s specific role, responsibilities can vary. Here are some of the potential duties of a cath lab nurse:
- Performing nursing assessments to gather data and identify the patient's needs
- Checking clinically important aspects related to the patient's entrance into the cath lab
- Assisting physicians during catheterization procedures, angioplasties, pacemaker implantations, and other cardiac procedures
- Understanding the functioning of special devices, including rotoblators, intra-aortic balloon pumps, AngioJets, thrombus aspiration systems, cutting balloons, and filter wires
- Assisting with all peripheral devices
- Collaborating with cardiologists and other members of the healthcare team
- Providing care based on established standards of practice, policies, and protocols
- Ensuring that patients are admitted to, transferred from, and discharged from the cath lab in an efficient manner
- Demonstrating critical thinking skills for problem-solving and anticipating patient care needs
- Documenting assessments, delivery of care, and patients' responses to care in the medical record
- Administering moderate sedation to patients under the direct supervision of a physician
- Demonstrating the ability to function in all aspects of diagnostic and interventional catheterization, including scrubbing, circulating, monitoring, and recording procedures
- Participating in after-hours and on-call coverage
- Assisting as part of a team to provide support in the cath lab and with interventional radiology
- Understanding policy and procedure for emergent patient needs and codes
- Stocking supplies used in the radiology setting
- Using AI algorithms that analyze real-time hemodynamics to predict instability minutes before it occurs
- Assisting in more TAVR (valve replacements) and MitraClip procedures than ever before, as these have become the standard of care for aging patients
- Mastering the latest automated closure devices to reduce bed rest time for patients post-procedure
How to become a cath lab nurse and how long does it take?
Cath lab nurses are registered nurses (RNs). Therefore, the minimum educational requirement is a 2-year Associate Degree in Nursing (ADN), although many employers prefer a 4-year Bachelor of Science in Nursing (BSN).
Depending on the employer, cath lab nurses may also need some or all of the following certifications, training, and experience:
- Basic Life Support (BLS) certification
- Advanced Cardiovascular Life Support (ACLS) certification
- Pediatric Advanced Life Support (PALS) certification
- Completing a Basic Dysrhythmia class
- Telemetry experience
- Experience with the evaluation and programming of pacemakers and implantable cardioverter defibrillators (ICDs)
- Experience with advanced cardiac rhythm interpretation
- IV therapy certification
- Intra-aortic balloon pump (IABP) management
- Advanced electrocardiogram (EKG) knowledge
- Ability to function in all nursing roles of diagnostic and interventional catheterization, including scrubbing, circulating, monitoring, and recording procedures
- Knowledge of cardiac medications, emergency management of cardiac patients, current clinical practice guidelines in cardiology, and secondary prevention
- 1-2 years of work experience in critical care or cardiology catheterization lab
What nurse specialty certifications are there for CCL?
In addition to basic requirements, such as RN licensure and BLS certification, many employers prefer to hire nurses who have pursued specialized certifications.
Cardiac Vascular Nurse (CV-BC™)
The American Nurses Credentialing Center (ANCC) offers the Cardiac Vascular Nurse – Board Certified (CV-BC™) credential for nurses with entry-level clinical knowledge and skills in the cardiac-vascular specialty after initial RN licensure.
The following are eligibility requirements for this certification:
- Holding a current, active RN license
- Having practiced the equivalent of 2 years full-time as a registered nurse
- Accruing a minimum of 2,000 hours of clinical practice in cardiac-vascular nursing within the last 3 years
- Completing 30 hours of continuing education in cardiovascular nursing within the previous 3 years
CCRN® (Adult)
The American Association of Critical-Care Nurses (AACN) offers the Acute/Critical Care Nursing – CCRN® (Adult) certification. This credential is for nurses who provide direct care to critically ill adult patients.
Eligibility requirements include the following:
- Holding a current, active RN license
- Practicing as an RN or advanced practice registered nurse (APRN) for 1,750 hours providing direct care for critically ill adult patients during the previous 2 years
Registered Cardiovascular Invasive Specialist (RCIS)
The Registered Cardiovascular Invasive Specialist (RCIS) examination is for healthcare professionals working in cardiac catheterization. This certification is administered by CCI.
Nurses interested in this certification must:
- Have 1 year of full-time experience in invasive cardiovascular technology
- Complete 600 cardiac diagnostic/interventional procedures (work experience or clinical experience during a formal educational program)
600 procedures remains the “gold standard” for nurses who want to “scrub” (assist the doctor directly at the sterile field).
What is cardiac cath lab nursing like?
Aspiring cath lab nurses may benefit from firsthand accounts from nurses working in the cardiac cath lab to better gauge whether this specialty is for them:
“The transition from ICU to CCL can be rough because you need to get used to not knowing everything about your patient and only doing the here and now. It's more similar to the ED where they come in, you learn the pertinents, do your thing for those, and kick them out. On the flip side, that ICU experience is needed since you'll be managing sedation, drips, vents, etc.”
“So much of what your job will be depends on the facility. For example- At my hospital the nurses chart or circulate, we don’t scrub. Other places the RNs do scrub. When we chart we sit in the control room, we aren’t standing in lead as someone else mentioned. We’re only in lead if we’re circulating. RNs don’t pull sheaths in my lab, the recovery nurses pull them. Call also varies greatly depending on the facility. We take 8-10 days per month.”
In addition to reading first-hand testimonials, why not get your own hands-on experience?
Picking up per diem nursing shifts is a great way to experience nursing in diverse settings and roles—and accrue the necessary work experience to qualify for master’s programs and specialized nursing certifications.
Is cath lab nursing stressful or hard?
No nursing guide could be complete without covering the drawbacks of the work. Here are some of the aspects of cardiac cath lab nursing that real nurses find challenging:
“Some of the docs have pretty big egos…Some of the new cardiology fellows are insufferable personalities. A bad attitude can really bring the room down, but the majority of the fellows are nice and respect the staff.”
“…and of course, call. I personally love being on call because for me it is extra money, and nothing beats the adrenaline rush of saving a life!! What we do is amazing. That being said, I never sleep well on my call nights… if you get called at 3 AM and have to be at work at 7 the next morning.”
Why choose cardiac cath lab nursing?

Despite dealing with difficult personalities and occasionally being on call, many cath lab nurses love their jobs:
“I love it. Our lab is weird in that we do pre, intra, and post procedure with all the same staff. It's great because if you get a bad patient, you're only with them for a short while before you move them back to the unit. Unlike ICU where you could potentially be stuck with them for days at a time.”
“The people I work with are freaking amazing! They have become like family to me and we go out a lot even outside of work. I have never felt more "at home" in any of the places I've ever worked.”
What makes a good cath lab nurse? Tips for new nurses
In addition to licensure, certifications, and work experience, employers look for nurses with certain knowledge and skills. The following are some of the soft skills that make for great cath lab nurses:
- Effective communication
- Problem-solving capabilities
- Stress management
- Quick reactions and cool-headed to patient emergencies
- Team work
- Care coordination
- Basic computer knowledge and skills
- Correct calculations for doses
Furthermore, here are some tips from experienced cath lab nurses on Reddit that can help new nurses transition smoothly to the specialty:
“There are a variety of complications during procedure you need to be alert for so good assessment skills are important. The interventionalist will have you bringing supplies etc. So learning where everything is, setting up a table, having some IV skills is a good thing to have.”
“You have to be able too work well with a team. We have a great group and we all can joke around with each other while still doing our jobs and being 100% in the case. Things can go south very quickly in a cath procedure, so you always need to be ready for that one patient in a thousand who's going to throw some vtach, or maybe the doc will perforate a coronary artery…You have to be able to keep your cool in a high emergency or code situation.”
Final thoughts on cath lab nursing
Cath lab certainly has its perks: It’s relatively laid back—with the occasional emergency to keep things interesting; nurses work with one patient at a time, and it offers higher-than-average pay. That said, no single specialty can fit every nurse's personality, so if the cath lab doesn’t seem right for you, continue exploring other options.
One of these nursing specialties is bound to be perfect for you!
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