Image Based Question – 76327

Which of the following have been shown in the image given below?

A. Normal Doppler – umbilical artery

B. Raised S/D ratio

C. Absent end diastolic flow

D. Reversed end – diastolic flow

Correct Answer » C Explanation

Ans. is ‘c’ i.e., Absent end diastolic flow

• The pulsed wave Doppler obtained can demonstrate the presence of ductal steal by assessing the diastolic flow in the vessel.
• Panel (A) demonstrates normal flow.
• Panel (B) demonstrated absent end diastolic flow in moderate PDA steal and
• Panel (C) demonstrates revered diastolic flow in severe PDA steal.