Pulmonic Stenosis
A congenital heart defect where the pulmonic valve is narrowed, impeding blood flow from the right ventricle to the lungs.
Detailed Description
Pulmonic stenosis is a hereditary cardiac malformation leading to increased right heart workload, possible heart failure, and exercise intolerance. The defect may be mild or severe, with severe cases requiring intervention.
Common Symptoms
- Heart murmur
- Exercise intolerance
- Syncope (fainting)
- Cyanosis (in severe cases)
Management Options
- Monitoring for mild cases
- Balloon valvuloplasty for severe cases
- Medical management for heart failure
Frequently Asked Questions
Is pulmonic stenosis common in Sussex Spaniels?
It is more common than in the general dog population.
How is it detected?
By cardiac auscultation and confirmed with echocardiography.
Can affected dogs live normal lives?
Many with mild cases do; severe cases may need intervention.
Is it hereditary?
Yes, with a suspected genetic basis.
Should all Sussex Spaniel puppies be screened?
Yes, cardiac screening is recommended.
Condition Details
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Typical Age of Onset
Congenital (present at birth; clinical signs may appear by 6-12 months)
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Testing Available
Yes
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Diagnosing Methods
Physical exam (murmur detection); Echocardiography; Electrocardiogram (ECG)
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Preventative Measures
Cardiac screening of breeding stock; Avoid breeding affected dogs
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Related Conditions
Subaortic stenosis, Patent ductus arteriosus