Management of cyanotic spells (anoxic spells) in Tetralogy of Fallot
- Knee chest position
- Compresses femoral artery – increases afterload
- Decreases return of deoxygenated blood from the muscles
- Humidified oxygen
- Morphine 0.1 to 0.2 mg/kg SC
- Decreases pulmonary vascular resistance
- Blunts the sympathetic drive
- Propranolol
- Relieves infundibular spasm by negative ionotropic action
- Vasopressors (methoxamine IV or IM)
- Increases afterload
- Correction of anemia
- Consider corrective surgery
