MedlinePlus provides authoritative information on congenital heart disease, also called congenital heart defects, covering causes, diagnosis, and treatment options. This resource helps patients and families understand what to expect when navigating evaluation, surgery, and long-term care.
Use the summary below to quickly compare key aspects of congenital heart disease, including definitions, common defect types, typical tests, and standard treatment approaches found on MedlinePlus.
| Category | Details | Typical Tests | Common Treatments |
|---|---|---|---|
| Definition | Heart problems present at birth affecting structure and blood flow | Prenatal ultrasound, physical exam | Observation, medication, or surgery as needed |
| Septal Defects | Holes between heart chambers (ASD, VSD) | Echocardiogram, cardiac MRI | Watchful waiting, catheter closure, open-heart surgery |
| Obstructive Lesions | Narrowing blocking blood flow (coarctation, stenosis) | Cardiac CT, angiography | Balloon angioplasty, surgical repair |
| Cyanotic Conditions | Mixed blood causing low oxygen (tetralogy of Fallot, TGA) | Pulse oximetry, echocardiography, cardiac catheterization | Prostaglandin E1, staged surgical repair |
Understanding Congenital Heart Disease
What MedlinePlus Says About Causes and Risk
MedlinePlus explains that congenital heart disease results from abnormal heart development in the womb, often with no clear cause. Genetics, chromosomal problems, and exposures during pregnancy can raise the chance of heart defects, but many cases occur without known risk factors.
Recognizing Signs and Symptoms
Signs in newborns and infants may include cyanosis, rapid breathing, poor feeding, and failure to gain weight. Older children and adults might experience fatigue, shortness of breath during activity, swelling, or irregular heartbeats, depending on the defect type and severity.
Diagnosis and Testing
Screening and Early Detection
Many congenital heart diseases are identified through prenatal ultrasound or newborn pulse oximetry screening. When a problem is suspected, clinicians order targeted tests to confirm the diagnosis and guide management.
Key Diagnostic Procedures
Echocardiography is the primary tool for visualizing heart structure and blood flow. Additional tests such as electrocardiogram, chest X-ray, cardiac MRI, and cardiac catheterization help clarify anatomy, measure pressures, and plan treatment.
Treatment and Long-Term Management
Nonsurgical and Medical Care
Medications may improve symptoms, support heart function, or keep blood vessels open in duct-dependent lesions. Regular follow-up with a pediatric or adult congenital heart disease specialist helps monitor growth, development, and potential complications.
Surgical and Catheter-Based Options
Many defects require surgery or catheter procedures to repair holes, widen narrowings, or rebuild valves. Advances in techniques and devices have improved outcomes, yet some children need more than one operation over time.
Key Takeaways for Patients and Families
- Know the common signs in infants and older children to seek timely evaluation
- Understand that tests like echocardiography are central to diagnosis and planning
- Recognize the range of treatments from medication to multiple surgeries
- Plan for ongoing specialist care, even after successful early interventions
- Use MedlinePlus as a reliable source for definitions, next steps, and support resources
FAQ
Reader questions
How is congenital heart disease diagnosed in a newborn?
Pediatricians use prenatal ultrasounds, physical exams, and pulse oximetry screening after birth. If tests suggest a heart problem, a referral to a pediatric cardiologist leads to an echocardiogram and further imaging.
Can adults have congenital heart disease and not know it?
Yes, some mild defects remain undiagnosed into adulthood. Symptoms like fatigue, shortness of breath, or palpitations may be mistaken for other conditions, so evaluation by a specialist is important for accurate identification and care.
What role does genetics play in congenital heart disease?
Inherited factors, chromosomal abnormalities, and family history can increase risk, but many cases happen sporadically. Genetic counseling and testing may be recommended, especially when multiple relatives are affected or other birth features are present.
How does MedlinePlus support families facing heart surgery?
MedlinePlus offers plain-language summaries, links to trusted resources, and guidance on what to expect before, during, and after procedures. This helps families prepare questions, understand options, and participate confidently in decision-making.