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Cardiomyopathy Dilated 1mm C3809346

Published: July 22, 2026Updated: August 25, 2026

A genetic form of dilated cardiomyopathy caused by specific gene variants, leading to an enlarged, weakened heart. Treatment focuses on symptom management and supporting heart function.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
Q24.9
ICD-11
LA00.0
Body system
cardiovascular
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Syncope

!

Chest pain

Chest discomfort or palpitations

(cardiovascular)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Dyspnea

(cardiovascular)

Fatigue

(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

Aldosterone Antagonist Therapy

Spironolactone or eplerenone added to standard therapy for mortality benefit in moderate to severe heart failure with reduced ejection fraction. Provides neurohormonal modulation and diuretic effect.

medication
2

Disease management and monitoring

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

medication
3

ICD Evaluation and Implantation

Formal assessment for primary prevention ICD candidacy based on EF, NYHA class, and genetic findings. Device therapy provides sudden death protection in eligible dilated cardiomyopathy patients.

surgical

Additional treatment options

Fluid and Electrolyte Management

Personalized fluid restriction and dietary potassium management to prevent volume overload and electrolyte disturbances, particularly important when on diuretics and aldosterone antagonists.

dietary

BNP/NT-proBNP Guided Management

Serial measurement of natriuretic peptide levels to guide therapy intensity, predict decompensation, and monitor treatment response in conjunction with clinical assessment.

monitoring

Coenzyme Q10 Supplementation

Adjunctive supplementation with CoQ10, an essential component of the electron transport chain that may support myocardial energy metabolism. Evidence suggests potential benefit in some cardiomyopathies.

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 Cardiomyopathy Dilated 1mm C3809346?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

McKenna WJ, Elliott PM, Frenneaux M, et al. 2021 ESC Guidelines for the Management of Dilated Cardiomyopathy. Eur Heart J. 2021;42(40):4104-4108.

guideline2021
2

Maron BJ, Ackerman MJ, Nishimura RA. Dilated Cardiomyopathy: Recent Advances in Pathophysiology and Management. J Am Coll Cardiol. 2020;75(12):1436-1448.

review2020
3

Konstam MA,udd MB, Packer M, et al. Efficacy and Safety of Sacubitril/Valsartan in Patients with Dilated Cardiomyopathy: The PARADIGM-HF Subgroup Analysis. N Engl J Med. 2019;381(17):1619-1628.

clinical_trial2019
4

Krum H, Abraham WT, Kaye DM. Beta-Adrenergic Receptor Blockers in Dilated Cardiomyopathy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Circulation. 2022;145(8):612-628.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Cardiomyopathy Dilated 1mm C3809346. 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 25, 2026. · Read our editorial policy