Wednesday, November 30, 2011

Why can one surface bounding pulses contained by a forgiving beside rights ductus arteriosus?

From the textbook: "A large PDA next to left-to-right shunting may result in congestive heart breakdown and failure to thrive. Bounding pulses are palpable."
Blueprints Pediatrics 4th edition.
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"If the ductus arteriosus does not close after birth as it should it... allows blood to flow directly from the aorta into the pulmonary artery and from there to the lungs. This extra amount of blood flowing into the lungs strains the heart and increases the blood pressure within the arteries of the lungs."
The palpable pulse you feel would be that extra arterial blood.
a colossal left-right shunt could lead to a palpable widen pulse pressure. This would feel resembling a bounding pulse
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