Abnormal Second Heart Sound C4703468
Abnormal heart valve closure sounds that may indicate underlying heart conditions. Often detected during physical exams. Further cardiac evaluation is typically needed.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- mild
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest discomfort
Chest discomfort or palpitations
(cardiovascular)Mild symptoms that may not significantly impact daily life.
Frequency: Varies
Abnormal heart sound (S2 splitting)
(cardiovascular)Fatigue
(cardiovascular)Shortness of breath
(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
Cardiac monitoring and echocardiography
Regular monitoring with echocardiogram to assess cardiac function and identify the underlying cause of the abnormal S2 sound. Follow-up visits every 6-12 months help track any progression of valvular or hemodynamic abnormalities.
Disease management and monitoring
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Cardiovascular risk factor modification
Structured program addressing hypertension, smoking cessation, and regular aerobic exercise to reduce strain on cardiac structures. Weight management and stress reduction complement the intervention.
Additional treatment options
Antihypertensive therapy
Pharmacological management of elevated blood pressure when lifestyle modifications are insufficient, targeting the underlying hemodynamic cause of abnormal S2. Medication selection depends on comorbid conditions and cardiac function.
medicationHeart-healthy dietary modifications
DASH or Mediterranean-style diet emphasizing reduced sodium, increased potassium, and heart-protective fats. Dietary counseling helps manage blood pressure and reduce cardiovascular workload.
dietaryValvular repair or replacement
Surgical intervention for significant valvular pathology contributing to the abnormal heart sound, such as aortic or pulmonary valve repair. Indicated when conservative measures fail or cardiac function deteriorates.
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 Second Heart Sound C4703468?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy