Mechanism of squatting in TOF – MCQ
Mechanism of squatting in TOF – MCQ
Children with tetralogy of Fallot often get relief on squatting after exertion. What is the mechanism of benefit?
a) Increase in afterload of the left ventricle and decrease in right to left shunting
b) Increase in afterload of the left ventricle and increase in right to left shunting
c) Increase in afterload of the right ventricle and decrease in right to left shunting
d) None of the above
About The Author
Johnson Francis
Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal