Table 3 The time lapse from clinical diagnosis to transcranial Doppler sonography examination in 44 brain death cases.

Time lapse (h)	Number and percentage of
	Brain deaths in a TCD diagnosed specific pattern	Brain deaths in a TCD diagnosed non‐specific pattern
0–6	7 (58.3%)	5 (41.7%)
6–12	10 (76.9%)	3(23.1%)
12–24	10 (83.3%)	2 (16.7%)
24–36	7 (100%)	0 (0%)

TCD, transcranial Doppler sonography.