Charak Samhita
यस्तु श्वसिति विच्छिन्नं सर्वप्राणेन पीडितः । न वा श्वसिति दुःखार्तो मर्मच्छेदरुगर्दितः ॥५२॥
The patient suffering from chhinna shwasa has interrupted breath as the prana(vital centers) [Cha. Sa. Sutra Sthana 29] is afflicted. There is complete stoppage of breath, such individual suffers from intense pain as if cutting of the marma (vital parts),
english translation
yastu zvasiti vicchinnaM sarvaprANena pIDitaH । na vA zvasiti duHkhArto marmacchedarugarditaH ॥52॥
hk transliteration by Sanscript