Persistently raised pulmonary flow with a left-to-right shunt causes increased pulmonary vascular resistance followed by pulmonary hypertension.
Clubbing
Finger clubbing describes painless swelling of the soft tissues of the terminals phalanges ,causing increased longitudinal and lateral convexity of nails .
โ Syncope
Syncope is another word for fainting or passing out. Someone is considered to have syncope if they become unconscious and go limp, then soon recover.