Right Heart Catheterization
Expert Diagnosis of Pulmonary Hypertension
Unexplained shortness of breath, fatigue, or swelling may lead your physician to evaluate the pressure and blood flow between your heart and lungs. Right heart catheterization directly measures these pressures and is the definitive test used to confirm pulmonary hypertension.
At NCH Pulmonary, board-certified physicians perform right heart catheterization to accurately diagnose pulmonary hypertension and other cardiopulmonary conditions, guiding a treatment plan built around your specific results.
What Is Right Heart Catheterization?
Right heart catheterization (RHC), also called pulmonary artery catheterization, is a minimally invasive diagnostic procedure that directly measures blood pressure and oxygen levels within the right side of the heart and the pulmonary arteries, the vessels that carry blood from the heart to the lungs.
During the procedure, your physician guides a thin, flexible catheter through a vein (typically in the neck, arm, or groin) into the right atrium, right ventricle, and pulmonary artery. Along the way, the catheter records precise pressure readings and collects blood samples to measure oxygen levels.
Because the procedure directly measures pressures within the heart and pulmonary arteries, it remains the gold-standard test for confirming pulmonary hypertension, a condition in which blood pressure in the lung arteries is abnormally high. It’s also used to assess how well the right side of the heart is functioning and to help guide treatment decisions for a range of cardiopulmonary conditions.
The procedure is performed in a hospital-based catheterization lab under close monitoring, with most patients returning home the same day.
Why Might I Need a Right Heart Catheterization?
Your physician may recommend right heart catheterization when symptoms or non-invasive testing suggest a problem with pressure or blood flow in the right side of the heart and lungs, particularly when a definitive diagnosis is needed before starting treatment.
What It Can Help Diagnose
Right heart catheterization may be used to diagnose or evaluate:
- Pulmonary arterial hypertension
- Pulmonary hypertension related to heart or lung disease
- Right heart failure
- Congenital heart defects
- Valvular heart disease
- Cardiomyopathy
- Chronic thromboembolic pulmonary hypertension (CTEPH)
While an echocardiogram can suggest elevated pressure in the lungs, right heart catheterization provides the direct measurement needed to confirm the diagnosis.
Results from right heart catheterization help your physician classify the specific type and severity of your condition, and determine the most effective treatment approach, including whether certain medications are likely to help.
Your Procedure Journey
From evaluation through recovery, here’s what to expect at each stage
Consultation
Review symptoms, prior testing, and medical history to determine whether right heart catheterization is appropriate.
Preparation
Fasting instructions, medication guidance, and arranging a driver for after sedation.
During the Procedure
A catheter is guided to the right heart and pulmonary artery to measure pressures directly.
Recovery
Monitored at the insertion site while sedation wears off; most patients go home the same day.
Results & Follow-Up
Physician reviews measurements and explains what they mean for your diagnosis and treatment.
Contact your physician promptly if you notice increasing swelling, bruising, bleeding, warmth, or drainage at the insertion site, or if you develop fever or chest pain after your procedure. Download the full Prep Guide →
Risks & Safety
Right heart catheterization is a routinely performed, well-established procedure with a low risk of serious complications.
Potential Risks
Although uncommon, risks may include bruising or bleeding at the insertion site, temporary irregular heartbeat, infection, or in rare cases, injury to a blood vessel.
Before Your Procedure
Your physician reviews your health history, medications, and any bleeding risk to determine if the procedure is safe for you.
During Your Procedure
Continuous heart monitoring and imaging guidance help your care team minimize risk throughout the procedure.
Credentials
Performed by experienced, board-certified physicians in a hospital-based catheterization lab equipped for advanced cardiopulmonary care.
Frequently Asked Questions
Is right heart catheterization painful?
Most patients feel little to no pain. Local anesthesia numbs the insertion site, and light sedation helps you stay relaxed and comfortable throughout the procedure.
How long does right heart catheterization take?
The procedure itself typically takes 30 to 60 minutes, though you should plan for several hours total including preparation and recovery time.
Will I be awake during the procedure?
Most patients remain awake, though light sedation is often used to help you relax. You should not feel significant discomfort.
Is right heart catheterization considered surgery?
No. It’s a minimally invasive procedure performed through a small needle puncture, not a surgical incision.
How is right heart catheterization different from an echocardiogram?
An echocardiogram is a non-invasive test that estimates pressure in the lungs using ultrasound from outside the body and is often used as an initial screening tool. Right heart catheterization is minimally invasive and directly measures those pressures from inside the heart and pulmonary arteries, making it the more precise, gold-standard test used to confirm a diagnosis.
What can right heart catheterization diagnose?
It’s most commonly used to diagnose and classify pulmonary hypertension, but it can also evaluate right heart failure, certain congenital heart conditions, and candidacy for heart or lung transplant.
How long is recovery after right heart catheterization?
Most patients recover within a few hours and go home the same day, with a short period of activity restriction to allow the insertion site to heal.
When will I get my results?
Your physician can often share initial pressure measurements the same day. If additional testing was performed, full results may take a few more days to interpret.
Why is right heart catheterization considered the gold standard for diagnosing pulmonary hypertension?
Right heart catheterization measures pressure directly inside the heart and pulmonary arteries, rather than estimating it from outside the body. That direct measurement gives physicians the most accurate, reliable data available for confirming a diagnosis and guiding treatment.
Can pulmonary hypertension be diagnosed without right heart catheterization?
Tests like an echocardiogram can suggest that pulmonary hypertension may be present, but they only estimate pressure indirectly. Right heart catheterization is needed to confirm the diagnosis, determine its severity, and guide the most appropriate treatment.
Location
Consultations are available at NCH Pulmonary outpatient offices; the robotic bronchoscopy procedure itself is performed at an NCH hospital procedure suite under general anesthesia.
311 9th Street North, Suite 304, Naples, FL 34102
(239) 624-8250Explore All Pulmonary Services
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Schedule a Pulmonary Consultation
Talk with an NCH pulmonologist about whether right heart catheterization is right for you.