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segmental anatomy of heart
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Segmental Anatomy of Heart
Describing complexities in hearts with congenital disease
Van Praagh 1970
Van Praagh
Atria, Ventricle and Great Vessels. Adjacent segments are related to each other by intersegmental alignments, which may not equate to connections.
Two Embryologic Footprint
Viscero-atrial situs
Identification of Situs
Situs
Viscero-atrial situs
Cardiac Situs
Segments
Position of Cardiac Segments
Position of Cardiac Segments
Carnegie staging 11-23
Day 12 - Day 60
Bulbo-ventricular looping
Visuals
Topic
Anderson 1970
Combies morphologic information with the way in which the segments are connected,or not connected to each other, and then to their relationship.
Anderson
The Sequence used begins with the position and orientation of the heart and then follows the flow of blood through the heart in a sequential manner from vena cava to the atria, then ventricles via AV valves before reachig the arteria truk through Semilunar valves. Then additional lesions are described.
Segmentation & Connected
Segment and Connection
Ventriculo-Arterial Connection
Ventriculo-Arterial connection
AV Connection
AV connection
Lev 1954
LEV
Morphologic characterstics of the chambers should designate being Right and Left ,not their position in Thorax.
Simplified Guide To Understanding CHD
Overview
>90% of cardiac pathiloigs in pediatric population are congenital in Origin.
>6-8 per Thousand birth ( 1 per 130 -145 live birth
>At 20 wks gestation this figure is 5 to 10 times higher.
>About 25% of CHD are considerd more complex and one-third will require iterentio during infancy.
Conventions to describe Normal Heart
RIGHT and LEFT
Three Fundamental
convention
Morphologic Method
Segmantal Approach