pulmonary regurg

Question 1

causes

Answer 1

any cause of pulm htn…

• congenital abnormality (rare)
• complication of surgery to right ventricular outflow tract e.g. tetralogy of Fallot repair
• dilated pulmonary valve ring in severe pulmonary hypertension

Question 2

s.s

Answer 2

Right ventricular overload is well tolerated long-term and the condition

is often overshadowed by the associated cardiac or pulmonary vascular disease.

Question 3

Differentiation from aortic incompetence

Answer 3

• there is no collapsing peripheral pulse.
• loud P2 and right ventricular hypertrophy.
• if there are no peripheral signs of aortic regurgitation or pulmonary hypertension then the murmur is almost always due to mild aortic regurgitation.

Question 4

mx

Answer 4

valve replacement (homograft or xenograft).

heart and lung transplantation - if there is irreversible pulmonary hypertension.