"Are you snapping the blackboard, or are you taking photos of Senior Brother Song?"
"I'm photographing the blackboard, of course."
"Then why are you aiming at Senior Brother Song?"
"I'll take photos of whatever I please."
The girls nearby silently also lifted their phones.
"If the tricuspid valve is completely obstructed, wouldn't the cardiovascular circulation be interrupted by the blockage of the valve? How then can the patient still live until 12 years old?"
"Survival always has its reasons. Since there is no gate, there must be a hole somewhere else. Therefore, such patients usually have either a patent ductus arteriosus or a ventricular septal defect, using these abnormal pathways to complete the circulatory route."
"Got it."
"To treat this case, Dr. Fontan summarized his experience and invented an almost crazy surgical procedure—directly connecting the superior and inferior vena cava to the pulmonary artery, completely abandoning the right ventricle."
