Table 2

Haemodynamic measurements at 84-88% oximetry values

Case No	Peak velocity of tricuspid regurgitation (m/s)	Peak RV-RA pressure drop (mm Hg)	PEP:RVET ratio	TPV:RVET ratio	Peak left to right ductal flow velocity (m/s)	Pattern of ductal flow	Aortic stroke distance (cm)	Pulmonary stroke distance (cm)	Aortic pressure (mm Hg)	Heart rate (bpm)
1	2.75	30	0.39	0.27			6.0	5.9	^a52	145
2	2.68	29	0.29	0.41			9.0	8.6	59	130
3				0.31			9.6	7.9	55	123
4	3.12	39	0.26	0.31	0.7	Bidirectional	10.7	8.6	45	162
5	2.92	34	0.42	0.24	0.3	Bidirectional	7.4	7.1	^a42	168
6			0.26	0.35	1.2	Bidirectional	11.2	10.1	^a38	145
7	2.90	34	0.50	0.36	3.0	Intermediate2-150	4.6	4.1	^a40	162
8	3.02	36		0.31	1.0	Bidirectional	9.6	7.0	38	153
9	2.87	33	0.51	0.27	0.9	Pure left to right	7.1	4.8	53	130
10	3.10	38	0.46	0.25	0.9	Bidirectional	7.9	7.4	47	137
11	3.05	37	0.26	0.28	0.9	Bidirectional	10.9	9.1	54	130
12	2.47	24	0.59	0.30	1.5	Pure left to right	12.3	5.4	46	142
13	2.73	30	0.46	0.26	1.0	Intermediate^†	10.1	6.3	42	135
14	1.85	14	0.35	0.35	2.0	Pure left to right	6.1	5.5	53	160
15	2.42	23	0.43	0.50	2.2	Pure left to right	14.7	6.9	55	143
16	2.86	33		0.34	1.3	Pure left to right	16.3	8.2	43	141
17	2.88	33	0.54	0.29	1.9	Pure left to right	9.7	5.4	52	164
18	3.10	38	0.26	0.42	0.9	Bidirectional	11.6	9.5	48	148

↵2-150 Lowest oximetry reading was 95% in air; ^†“intermediate” left to right flow with zero flow in mid-systole.^a arterial line.