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Heart disorders fall into two broad groups: 1_______ and acquired. Congenital heart defects are caused by structural defects. Acquired 2_______ disease is mainly due to rheumatic fever.
Congenital defects may result in cyanosis if the defect is such that blood does not pass through the lungs for oxygenation. The patient has blue 3_______ and blue-finger and toe-nails. The 4_______ of the fingers and toes are rounded and club-like.
congenital
heart
lips
ends