O le masini lea e fa'aogaina i mea fa'ama'i fa'ama'i ma fa'alavalava e fai ma feso'ota'iga ea e tu'u atu ai kasa fa'ama'i, okesene ma isi kasa fa'afoma'i i totonu o le tino o se tagata ma'i. Faʻapitoa faʻaoga i tagata mamaʻi o loʻo i ai se manaʻoga tele mo le faʻafefe o le kesi (FGF), pei o tamaiti, tasi-mama ventilation (OLV) maʻi.