How I do it: feasibility of a new ultrasound probe fixator to facilitate high quality stress echocardiography

Table 1 Patients overview

Subject	Age	Gender	BMI	Indication	Stress test	Echo view	Quality baseline	Quality mid exercise	Quality max exercise	Probefix feasible
Patient 1	76	male	29.3	gradient MV	supine	AP4CH	good	good	good	yes
Patient 2	80	male	26.7	gradient MV	supine	AP4CH	good	good	n/a	n/a
Patient 3	34	female	21.3	device optimization in CRT patient	Supine	AP4CH	moderate	moderate	moderate	yes
Patient 4	82	female	33.2	gradient AoV	Supine	AP5CH	good	good	good	yes
Patient 5	19	female	22.2	gradient AoV	Supine	AP5CH, AP3CH	poor	n/a	n/a	no
Patient 6	43	female	35.2	gradient MV	Supine	AP4CH	good	good	good	yes
Volunteer 1	58	male		quality check	Upright	AP4CH	good	good	n/a	yes
Volunteer 2	35	male	23.1	quality check	Supine	AP4CH	good	good	good	yes
Volunteer 3	28	male	20.5	quality check	Supine	PSAX/AP4CH	poor	n/a	n/a	no
Volunteer 4	27	male	23.5	quality check	Supine	AP4Ch	moderate	moderate	moderate	yes
Volunteer 5	28	male	24.9	quality check	Supine	AP4CH	good	good	good	yes
Volunteer 6	27	female	21.1	quality check	Supine	AP4CH	good	good	good	yes

An overview of patients and volunteers that participated in the pilot study. Age, gender, body mass index (BMI), indication for stress test and feasibility of the Probefix is displayed. MV mitral valve, AoV aortic valve, AP3CH apical three chamber, AP4CH apical four chamber, AP5CH apical five chamber, PSAX parasternal short axis