Skip to content

Bicuspid Aortic Valve With Right Left Cusp Fusion C4476979

Published: July 22, 2026Updated: August 20, 2026

This bicuspid aortic valve variant involves fusion of the right and left coronary cusps. Like other forms, it is a congenital heart defect present from birth. Ongoing cardiac evaluation is recommended to monitor for complications.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q23.81
ICD-11
LA00.0
Body system
cardiovascular
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Chest discomfort or palpitations

(cardiovascular)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Heart murmur

(cardiovascular)

Dyspnea on exertion

(cardiovascular)

Fatigue

(cardiovascular)

Palpitations

(cardiovascular)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Disease management and monitoring

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Regular Cardiac Monitoring

Periodic echocardiograms and clinical evaluations to track aortic valve function, aortic root dimensions, and detect any progression of stenosis or regurgitation.

monitoring
3

Symptom Management Medications

Beta-blockers or other cardiac medications may be prescribed to manage blood pressure, reduce cardiac workload, and control symptoms of heart failure if they develop.

medication

Additional treatment options

Aortic Valve Repair or Replacement

Surgical intervention to repair or replace the defective valve, recommended when significant stenosis or regurgitation develops or aortic root dilation occurs.

surgical

Activity Modification

Avoidance of competitive sports and heavy weightlifting that significantly increase aortic stress. Low-to-moderate aerobic exercise typically permitted.

lifestyle

Transcatheter Aortic Valve Implantation (TAVI)

Minimally invasive procedure to implant a new valve via catheter for patients at high surgical risk, increasingly used for suitable candidates.

procedure

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Bicuspid Aortic Valve With Right Left Cusp Fusion C4476979?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Bicuspid Aortic Valve With Right Left Cusp Fusion C4476979. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy