A 2-week-old infant who presents with poor feeding, fatigue, dyspnea, and a murmur is diagnosed with a patent ductus arteriosus (pda). what does this condition results in?decreased pulmonary blood flowright to left shuntleft to right shuntincreased systemic blood flow

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02-08-2018
Biology

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A 2-week-old infant who presents with poor feeding, fatigue, dyspnea, and a murmur is diagnosed with a patent ductus arteriosus (pda). what does this condition results in?decreased pulmonary blood flowright to left shuntleft to right shuntincreased systemic blood flow

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andriansp andriansp · Answer 1 · 2018-08-11T12:23:05+02:00

The answer is left to right shunt

Ductus arteriosus is a vessel that connect the pulmonary artery with the aorta. Normally, ductus arteriosus will be closed to prevent backflow. Patent ductus arteriosus happens when it doesn't closed.

Since aorta pressure is higher than pulmonary, left to right shunt will be happens. The blood that flow to the lungs will be increased while blood flow to the systemic decreased.