Why does squatting help in tetralogy of Fallot?
Squatting is a compensatory mechanism, of diagnostic significance, and highly typical of infants with tetralogy of Fallot. Squatting increases peripheral vascular resistance (PVR) and thus decreases the magnitude of the right-to-left shunt across the ventricular septal defect (VSD).Click to see full answer. Similarly, it is asked, why does a child with tetralogy of Fallot squat?These