Peds midterm Word Scramble
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Q: | A: |
Most common indication for a Fetal echo: | Prior family history of CHD (congenital heart defects) |
Most common type of ASD: | Ostium Secuncdum (70%) |
Most common type of VSD: | Membranous (perimembranous) (80%) – Infracristal |
Most common heart anomaly overall: | Bicuspid Aortic Valve |
Most common type of Pulmonic Stenosis: | Valvular – stenosis of PV cusps |
Ebstein’s Anomaly is associated with _____ most commonly (___% of cases) | ASD in 75% of cases |
5 Indications for a Fetal Echo: | 1. Prior family history of CHD (most common) 2. Known exposure to cardiac teratogens 3. Chromosomal abnormalities 4. Maternal conditions 5. Presence of extracardiac anomalies |
In fetal transverse position, the _____ is closest to spine: | LA is closest to spine |
In fetal transverse position, the _____ is closest to anterior chest wall: | RV nearest to anterior chest wall |
Fetal transverse position provides a ____________ view in echo | a four chamber view |
PW Doppler of MV and TV obtained from the _______ Four chamber view | Apical Four chamber view |
Doppler & color flow of foramen ovale obtained from the _______ Four chamber view | Subcostal Four chamber view |
5 M-mode Measurements obtained from the Fetal Subcostal 4 Chamber view: | 1. Heart wall size 2. LV size and function 3. IVS & posterior wall thickness 4. RV internal dimension 5. Sizes of both atria |
Anatomy viewed in Long Axis View of Aorta: | o Proximal aorta o Anterior aortic wall continuous w/IVS o Posterior aortic wall continuous w/AMVL |
Anatomy Obtained in Long Axis View of Pulmonary Artery: | • Shortened RV • Pulmonic valve • Pulmonary artery |
Measurements obtained in Long Axis View of Pulmonary Artery: | PW Doppler & color flow used to evaluate for PI & PS |
Anatomy seen in Short Axis of VENTRICLES: | RV, LV& IVS |
Measurements obtained in Short Axis of VENTRICLES: | M-mode measurements of: • Ventricular free wall • IVS • Chamber sizes Color flow Doppler used to evaluate for abnormal VSD’s If found, use PW Doppler to interrogate |
Anatomy seen in Short Axis of GREAT VESSELS: | • RA, RV, LA • TV, PV • Pulmonary artery and ductus arteriosus *appears same as adult PSAX aortic level |
Measurements obtained in Short Axis of GREAT VESSELS: | • M-mode – Measure size of PA • PW Doppler and color flow of TV and PV (Also evaluate ductus arteriosus) |
Anatomy seen in View of Aortic Arch: | • Ascending aorta • Arch & branches (innominate, LCC & LSA) • Descending aorta • Right pulmonary artery • Foreshortened LA |
Measurements obtained in View of Aortic Arch: | • Color flow and PW to view velocity of aorta • Used to rule out narrowing of aorta |
Anatomy seen in View of Ductal Arch: | • Ductus arteriosus • PA, aorta • PV, RVOT • AV, TV, LA |
Measurements obtained in View of Ductal Arch: | Doppler to assess ductus arteriosus |
Anatomy seen in View of IVC & SVC: | RV, RA, TV, IVC, SVC |
Measurements obtained in View of IVC & SVC: | PW Doppler and color flow to assess venous flow |
5 Types of ASD: | 1. Ostium Primum (20%) 2. Ostium Secuncdum (70%) 3. Sinus Venosus (10%) 4. Coronary Sinus ASD (RARE!) 5. Common Atrium (RARE!) |
Ostium Primum ASD located in _____ portion of ______ | Inferior portion of IAS |
Ostium Secuncdum ASD located in _____ portion of ______ | Mid portion of IAS |
Sinus Venosus ASD located in _____ portion of ______ | superior portion of IAS near junction of SVC and RA |
Coronary Sinus ASD located in _____ area close to ______ | The inferior septal area close to coronary sinus |
Ostium Primum – Associated anomaly: | deformed MV |
Sinus Venosus – Associated anomaly: | Partial anomalous pulmonary venous return (*pulmonary veins do not enter the LA*) |
The hemodynamic effect depends on these 3 things: | 1. Size and direction of shunt 2. Compliance of ventricles 3. Response of pulmonary vascular bed to increased blood flow |
5 Types of VSD: | 1. Inlet septum (3-5%) – Infracristal 2. Trabecular (5-20%) – Infracristal 3. Outlet septum (3-5%) – Supracristal 4. Membranous (perimembranous) (80%) – Infracristal (Most common type) 5. Malaligned septum |
Complete Endocardial Cushion Defect Consists of all 3 of the following: | 1. Ostium primum ASD 2. Perimembranous VSD 3. Straddling AV valves (Anterior MV & septal TV create one valve) |
Only ONE the following need to be present to be considered PARTIAL Endocardial Cushion Defect: | • Ostium primum ASD with a cleft MV OR • Endocardial inlet VSD only |
Ductus arteriosus Functionally closes ______ after birth and Structurally closes ______ after birth | Functionally closes 15 hrs after birth and Structurally closes 2-3 weeks after birth |
Persistent Truncus Arteriosus accounts for ______% of all congenital heart defects | only 0.4-2.8% |
Persistent Truncus Arteriosus – 4 Classifications: | Type I – A short main PA arising from truncus Type II – Separate but closely positioned PAs arising from the posterior portion of the truncus Type III – Widely separated PAs arising laterally from truncus Type IV – PAs arise from the DAo |
Created by:
lefut
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