Cardiovascular Medicine Book

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Atrial Septal DefectAka: ASD

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  1. See also
    1. Congenital Heart Disease
    2. Congenital Heart Disease Causes
  2. Types
    1. Ostium Primum
      1. Congenital opening in septum near AV valves
      2. Associated with cleft mitral valve leaflet
    2. Ostium Secundum
      1. Congenital defect at the fossa ovalis
    3. Sinus Venosus
      1. Defect posterior to fossa ovalis
      2. Associated with partial anomalous pulmonary return
  3. Symptoms and Signs (See specific defect)
    1. Right Ventricular heave
    2. S2 Heart Sound with fixed wide split
    3. Systolic ejection murmur
      1. Grade II of VI
      2. Heard best at left upper sternal border
    4. Mid-Diastolic Murmur
      1. Flow rumble in the tricuspid valve region
  4. Diagnostics
    1. See Ostium Primum
    2. See Ostium Secundum
  5. Course
    1. Spontaneous closure less common than VSD
  6. Management: Surgery Indications
    1. Large left to right shunt
    2. Congestive Heart Failure
    3. Pulmonary congestion
  7. References
    1. Saenz (1999) Am Fam Physician 59(7):1857
    2. Cyran (1998) PREP review lecture, October, Phoenix
    3. Merenstein (1994) Pediatrics, Lange

Atrial Septal Defects (C0018817)

Definition (MSH)Developmental abnormalities in any portion of the ATRIAL SEPTUM resulting in abnormal communications between the two upper chambers of the heart. Classification of atrial septal defects is based on location of the communication and types of incomplete fusion of atrial septa with the ENDOCARDIAL CUSHIONS in the fetal heart. They include ostium primum, ostium secundum, sinus venosus, and coronary sinus defects.
ConceptsCongenital Abnormality (T019) , Disease or Syndrome (T047)
Englishasd, ASD - Atrial septal defect, Atrial septal defect, Atrial Septal Defects, atrioseptal defect, Congenital atrial septal defect, DEFECT ARTRIAL SEPTUM, HEART SEPTAL DEFECT ATRIAL, IA SEPTAL DEFECT, Interatrial septal defect, Interauricular septal defect, SEPTAL DEFECT INTERATRIAL
SpanishCIA, comunicacion interauricular, defecto congenito del tabique auricular, defecto del tabique auricular, defecto del tabique interauricular, defecto septal interauricular
Parent ConceptsCardiac and circulatory congenital anomalies (C0810060), Congenital Abnormality (C0000768), Heart Diseases (C0018799), HEART: MUSCLE/VALVE (C0549605), Heart Septal Defects (C0018816), Atrial Septal Defects (C0018817), Abnormality of atrial septum (C0344722), Duplicate concept (C1274013)
SourcesCCS, COSTAR, CSP, CST, DXP, MSH, MTH, NDFRT, OMIM, QMR, RAM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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