nirucchvāso hata-smṛtiḥ

tena-by that wind; avasrstah-pushed downwards; sahasa-suddenly; krtva-turned; avak-downwards; sirah-his head; aturah-suffering; viniskramati-he comes out; krcchrena-with great trouble; nirucchvasah-breathless; hata-deprived of; smrtih-memory.