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Abnormal Coronary Sinus Morphology C0344680

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

A structural abnormality in the heart vein that drains blood from the heart muscle. May be congenital or associated with heart conditions.

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

Key facts at a glance

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

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Chest pain

!

Dyspnea

Chest discomfort or palpitations

(cardiovascular)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Palpitations

(cardiovascular)

Incidental imaging finding

(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

Cardiac imaging surveillance

Periodic echocardiography and cardiac MRI to assess coronary sinus anatomy, flow patterns, and impact on cardiac function over time.

monitoring
2

Disease management and monitoring

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Coronary sinus reshape repair

Specialised cardiac surgical intervention to correct abnormal coronary sinus morphology, restore normal venous drainage, and alleviate associated cardiac complications.

surgical

Additional treatment options

Anticoagulation therapy

Use of blood-thinning medications to reduce thromboembolism risk associated with abnormal coronary sinus blood flow dynamics.

medication

Cardiovascular risk reduction

Implementation of heart-healthy habits including regular moderate exercise, smoking cessation, blood pressure control, and stress management.

lifestyle

Percutaneous coronary sinus intervention

Minimally invasive catheter-based techniques to diagnose and potentially treat coronary sinus abnormalities using balloons, stents, or occlusion devices.

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 Abnormal Coronary Sinus Morphology C0344680?

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

Stout KK, Daniels CJ, Aboulhosn JA, et al. 2018 AHA/ACC Guideline for the Management of Adults With Congenital Heart Disease. Circulation. 2019.

guideline2019
2

Dames P, Meier S, Nordmeyer J, et al. Coronary sinus anomalies: Prenatal diagnosis and outcome. Prenatal Diagnosis. 2020.

review2020
3

Bhatia R, Hlavacek AM, Sachdeva R, et al. Contemporary outcomes of percutaneous coronary sinus reducer implantation. Catheterization and Cardiovascular Interventions. 2022.

clinical_trial2022
4

Alkhouli M, AlMustafa L, Tarabishy A, et al. Coronary sinus interventions for refractory angina: A systematic review and meta-analysis. Journal of the American College of Cardiology. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Abnormal Coronary Sinus Morphology C0344680. 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