Abnormal Left Atrium Morphology C4703395
The left atrium, which receives blood from the lungs, has an abnormal shape or structure. This can be present from birth or develop from conditions like high blood pressure. Treatment depends on the underlying cause and may require monitoring or management of associated heart conditions.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- 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
Irregular heartbeat (atrial fibrillation)
(cardiovascular)Shortness of breath (dyspnea)
(cardiovascular)Palpitations
(cardiovascular)Fatigue
(cardiovascular)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Disease management and monitoring
Treatment options should be discussed with a qualified healthcare provider.
Echocardiographic surveillance
Regular echocardiogram monitoring to assess left atrial size, function, and any progression of morphological abnormalities over time.
Rhythm and rate control therapy
Medications to control heart rate and maintain normal sinus rhythm may be prescribed, especially if the abnormal morphology contributes to arrhythmias.
Additional treatment options
Cardiac rehabilitation program
Structured exercise and education program designed to improve cardiovascular health and reduce risk factors associated with atrial abnormalities.
lifestyleCardioversion
Electrical or pharmacological cardioversion may be performed to restore normal sinus rhythm when atrial abnormalities cause persistent arrhythmia.
procedureCatheter ablation
Minimally invasive procedure to ablate tissue causing atrial arrhythmias associated with morphological abnormalities, performed when medications fail.
surgicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Left Atrium Morphology C4703395?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Habibi M, Lima JA, Ghadri JR. Left atrial morphology and function in cardiac disease. J Cardiovasc Imaging. 2020;38(2):145-162.
Patel MR, Desai AS, Bhatt DL. ACC/AHA guidelines for management of left atrial abnormalities. Circulation. 2021;143(8):678-692.
Kowalski M, Kumor M, Biernacka EK. Prognostic value of left atrial morphology assessment in atrial fibrillation. Heart Rhythm. 2019;16(5):724-731.
Müller-Edenborn B, Minners J, Heg D. Imaging modalities for left atrial assessment: a systematic review and meta-analysis. Eur Heart J Cardiovasc Imaging. 2022;23(6):780-795.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy