Blunted y descent is seen with?: (A) Tetralogy of Fallot, (B) Tricuspid stenosis, (C) Tricuspid regurgitation, (D) Tricuspid atresia
Answer is B. Normally 'y' descent seen at diastasis event but if there is any obstruction in valve opening = y descent will be blunted (absent). 2 causes of Blunted 'y' descent: i) C. Tamponade ii) T. Stenosis Option A: TOF= Large 'A' wave in JVP. Option C: Tricuspid Regurgitation= Steep Y descent =Constrictive Pericarditis= Steep x & steep y = Cardiac Tamponade= Steep x & Absent/Blunted y