The severity of Tetralogy of Fallot is mainly differentiated by symptoms.
1. Mild: The patient presents with facial bruising, which is more pronounced on the lips, nail beds and bulbar conjunctiva.
2. Severe: patients show frequent squatting, which reduces venous return, reduces cardiac load and relieves hypoxia. Accompanied by paroxysmal dyspnea and coma, once the relevant symptoms are found, they should go to the hospital in time and be treated by radical surgery.
Patients with tetralogy of Fallot should take medication as prescribed by the doctor, have regular outpatient reviews, and seek timely medical attention for any changes in their condition. At the same time, daily life should avoid emotional excitement; pay attention to warmth, avoid respiratory tract infection; regular life, avoid strenuous exercise.