Hourieh F. 7-year-old patient diagnosed with Single Ventricle and is in need to undergo diagnostic cardiac catheterization to be followed by heart surgery, Fontan procedure. The patient resides in a rented house in Mina - Tripoli, with her father, parental grandmother, and brother. The parents are divorced, the mother got remarried. The father is a fisherman with an irregular income. He neither benefits from NSSF nor other health insurance. The patient can benefit from MOH.