Automatic quantification of left ventricular function by medical students using ultrasound

BMC Medical Imaging

Table 2 Elected echocardiographic findings in the 75 patients

	Mean ± SD	Range (min – max)
Ejection fraction [%]	52 ± 9	28–70
IVSd [cm]	1.1 ± 0.2	0.6–1.8
LVIDd [cm]	5.0 ± 0.8	3.4–7.0
LVPWd [cm]	1.0 ± 0.2	0.6–1.5
E/A	1.1 ± 0.5	0.5–2.6
E deceleration time [ms]	205 ± 68	91–408
E/e′ (average of septal and lateral, pwTDI)	10.9 ± 5.3	3.5–27.0
S/D	1.2 ± 0.3	0.6–2.0
TR velocity [m/s]	2.5 ± 0.4	2.0–3.8

E/A Ratio of early to late diastolic mitral velocity, E/e′ Ratio of E to mitral annular early diastolic peak velocity, IVSd Interventricular septum end-diastolic thickness, LVIDd Left ventricular internal end-diastolic diameter, LVPWd Left ventricular posterior wall end-diastolic thickness, max Maximum, min Minimum, pwTDI Pulsed wave tissue Doppler imaging, S/D Ratio of systolic to diastolic pulmonary vein velocity, SD Standard deviation, TR Tricuspid regurgitation

ISSN: 1471-2342