Sunday, February 19, 2012

Management of a Heart Defect at Birth

A congenital heart defect (CHD) is a condition that develops prior to birth. Problems can occur in the blood vessels, valves, and chambers of the heart. Babies born prematurely are more likely to be affected by a CHD. A variety of defects may occur, ranging in severity from mild to life threatening. The most common CHD is ventricular septal defect (VSD), which is characterized by a “hole” between the right and left ventricles. Blood that contains adequate oxygen would normally move through the aorta and to the rest of the body. However, the opening created by this type of heart defect causes blood to move instead to the left ventricle, where blood does not contain enough oxygen. Symptoms of a VSD include an abnormal sound of the heart (known as a murmur), rapid breathing, and rapid heart rate.

Diuretics may be used to treat infants who experience rapid breathing and difficulty gaining weight, and to treat heart failure. Furosemide (Lasix), chlorothiazide (Diuril), and spironolactone (Aldactone) are all diuretics that may be prescribed for infants with VSD. Captopril (Capoten) and enalapril (Vasotec) are angiotensin converting enzyme (ACE) inhibitor medications that work to improve proper blood flow. Digoxin (Lanoxin) may be prescribed to improve heart contractions.





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