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Pediatric Echocardiography
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Library:
Fetal CHD Image Library
Lesion:
Premature Atrial Contractions (PACs)
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Premature Atrial Contractions (PACs)
View:
Premature Atrial Contractions (PACs)
Premature Atrial Contractions (PACs)
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2D Echo
Still
Still
Still
Still
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RA
RV
LA
LV
TV
MV
Premature Atrial Contractions (PACs)
Fetus with intermittent PACs
Intermittent fetal ectopy is observed on 4 chamber view
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A
V
V
V
V
V
V
A
Premature Atrial Contractions (PACs)
Spectral Doppler across the mitral inflow and aortic outflow
Frequent PACs (represented by the stars) are noted which appear to be conducted (given each one is followed by an aortic outflow Doppler)
V= aortic outflow spectral Doppler
A = normal E/A wave across mitral valve representing a normally conducted atrial beat
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A
A
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A
V
V
V
V
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V
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V
Premature Atrial Contractions (PACs)
M-mode through the right atrium (top) and left ventricle (bottom)
Frequent PACs (represented by the stars) are noted which appear to be conducted
Atrial bigeminy is noted (PACs are every other beat)
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A
V
V
V
V
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A
A
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A
Premature Atrial Contractions (PACs)
M-mode through the right atrium (top) and left ventricle (bottom)
Frequent PACs (represented by the stars) are noted which appear to be blocked (not followed by an early V)
Atrial bigeminy is noted (PACs are every other beat)
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Labels
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
V
V
V
V
V
V
V
V
V
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V
Premature Atrial Contractions (PACs)
Color M-mode through the atrium (top) and ventricle (bottom)
Frequent PACs are noted
Frequent atrial bigeminy is noted (PACs are every other beat)
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