Table 1.

The six-minute exam of ability to obtain correct ultrasound images

Ultrasound views and defined anatomical points			Score
Parasternal Long-Axis View			88.89 ± 23.34
	Correct alignment		20/27 (74.1%)
	Endocardial demarcation		24/27 (88.9%)
	Mitral valve visualization		26/27 (96.3%)
	Aortic valve visualization		26/27 (96.3%)
Parasternal Short-Axis View			78.24 ± 24.41
	Aortic level demonstration		69.4 ± 37.6
		Aorta visualization	22/27 (81.5%)
		Tricuspid valve visualization	21/27 (77.8%)
		Pulmonic valve visualization	18/27 (66.7%)
		Interatrial septum visualization	14/27 (51.9%)
	Mitral level demonstration		85.2 ± 30.43
		Complete left ventricle visualization	21/27 (77.8%)
		Mitral valve visualization	25/27 (92.6%)
	Midpapillary level demonstration		88.9 ± 32
		Complete left ventricle visualization	24/27 (88.9%)
		Papillary muscle visualization	24/27 (88.9%)
Apical View			62.96 ± 24.29
	Four-Chamber View		59.3 ± 34.4
		Left ventricle visualization	11/27 (40.7%)
		Right ventricle visualization	13/27 (48.1%)
		Mitral valve visualization	24/27 (88.9%)
		Tricuspid valve visualization	22/27 (81.5%)
		Atrium visualization	10/27 (37%)
	Two-Chamber View		61.7 ± 38.9
		Left ventricle visualization	14/27 (51.9%)
		Mitral valve visualization	23/27 (85.2%)
		Left atrium visualization	13/27 (48.1%)
	Three-Chamber View		67.9 ± 41.8
		Left ventricle visualization	15/27 (55.6%)
		Mitral valve visualization	21/27 (77.8%)
		Aortic valve visualization	19/27 (70.4%)
Subcostal View			57.78 ± 34.34
		Right ventricle visualization	18/27 (66.7%)
		Pericardial visualization	20/27 (74.1%)
		Interatrial septum visualization	11/27 (40.7%)
		Inferior vena cava visualization	16/27 (59.3%)
		Inferior vena cava respiratory variation visualization	13/27 (48.1%)