Bed tilt as an effort-independent maneuver to improve patent foramen ovale assessment by transthoracic contrast echocardiography.
Kerr
A J
AJ
Cardiac Ultrasound Laboratory, Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston 02114, USA.
Chia
K K
KK
Buck
T
T
Fry
S J
SJ
Myron
P M
PM
Rudski
L G
LG
Chow
C M
CM
Mucci
R A
RA
Picard
M H
MH
Levine
R A
RA
D001513:Beds; D003287:Contrast Media; D004452:Echocardiography / Q000379:methods*; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006801:Humans; D016683:Supine Position; D014636:Valsalva Maneuver
D003287:Contrast Media