MRCP UK EXAMINATIONS

CARDIOLOGY

PROSTHETIC HEART VALVES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The most common cause of valvular PS is ____
A
bicuspid
B
congenital
C
degenerative
D
rheumatic
Explanation: 

Detailed explanation-1: -Usually, pulmonary valve disease is caused by a heart problem that develops before birth. A heart problem present at birth is called a congenital heart defect.

Detailed explanation-2: -Pulmonic stenosis (pulmonary stenosis) (PS) is a common form of congenital heart disease that occasionally is diagnosed for the first time in adulthood. Isolated valvular PS comprises approximately 10% of all congenital heart disease in the United States. About 2% of familial occurrences are without a genetic cause.

Detailed explanation-3: -Causes of Pulmonic Stenosis There is not a lot known about the direct cause for pulmonary stenosis, however it usually develops before birth when the pulmonary valve does not develop normally while growing inside the womb. This condition accounts for almost 10 percent of all congenital heart disease.

Detailed explanation-4: -Pulmonary stenosis is a congenital (present at birth) defect that occurs due to abnormal development of the prenatal heart during the first eight weeks of pregnancy. The pulmonary valve is found between the right ventricle and the pulmonary artery.

Detailed explanation-5: -Pulmonary stenosis is relatively common and accounts for about 10% of heart defects diagnosed during childhood. It can occur in children with otherwise normal hearts or along with other congenital heart defects such as atrial septal defect or Tetralogy of Fallot.

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