The disease tetralogy of Fallot has symptoms that differ based on the degree of blockage of the flow of blood out of the right ventricle and into lungs. The major symptoms of the disease are:
- Cyanosis: It is defined as a bluish tint on the lips, fingernails, and the skin.
- Untimely tet spells in babies that turns their skin into a deep blue colour.
- Problematic breathing.
- Becoming limp and tired easily.
- Not responding to touch or parent’s voice.
- Becoming fussy.
- Passing out frequently.
- Heart murmur.
- Prolonged cries.