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Left Ventricular Noncompaction 3 C3152137

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

Left Ventricular Noncompaction 3 is a rare genetic heart condition causing abnormal heart muscle development. The left ventricle may not pump blood effectively. Care involves heart medications, lifestyle monitoring, and sometimes surgical interventions.

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

Key facts at a glance

ICD-10
I78.0
ICD-11
BA00.0
Body system
cardiovascular
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Ventricular arrhythmia

Chest discomfort or palpitations

(cardiovascular)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Dyspnea

(cardiovascular)

Reduced exercise tolerance

(cardiovascular)

Nocturnal paroxysmal dyspnea

(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

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Diuretic Therapy

Loop or thiazide diuretics to manage volume overload, reduce pulmonary congestion, and alleviate symptoms of heart failure. Used as part of comprehensive fluid management strategy.

medication
3

Ambulatory Arrhythmia Monitoring

Extended cardiac monitoring using Holter monitors or event recorders to detect paroxysmal arrhythmias, assess burden of atrial fibrillation, and guide antiarrhythmic therapy decisions.

monitoring

Additional treatment options

Cardiac Resynchronization Therapy

Biventricular pacing device to coordinate ventricular contractions in patients with wide QRS and dyssynchronous contraction patterns. May improve symptoms and cardiac function in select LVNC patients.

procedure

Sodium and Fluid Restriction

Dietary modification limiting sodium intake to less than 2-3 grams daily along with appropriate fluid restrictions to minimize fluid retention and reduce cardiac workload. Includes patient education on reading food labels.

dietary

Coenzyme Q10 Supplementation

Adjunctive therapy with CoQ10 to potentially improve myocardial energy metabolism and reduce oxidative stress. May provide symptomatic benefit in some heart failure patients as complementary support.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Left Ventricular Noncompaction 3 C3152137?

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 Left Ventricular Noncompaction 3 C3152137. 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