Cardiovascular Medicine Book

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Ostium Secundum

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  1. See Also
    1. Atrial Septal Defect
    2. Congenital Heart Disease
    3. Congenital Heart Disease Causes
  2. Epidemiology
    1. Incidence: 10% of congenital heart defects
    2. Females more affected than males by a ratio of 2:1
  3. Pathophysiology
    1. One of three types of Atrial Septal Defect
    2. Congenital defect at the fossa ovalis
  4. Symptoms
    1. Dyspnea
  5. Signs
    1. Accentuation of right ventricular precordial thrust
    2. Systolic ejection murmur in 2nd, 3rd left interspaces
    3. Wide splitting of P2
    4. Short Diastolic Murmur along left sternal border
  6. Radiology: Chest XRay
    1. Cardiomegaly
  7. Diagnostics: Electrocardiogram (EKG)
    1. Right Axis Deviation
    2. Late R-prime in right-sided leads
  8. References
    1. Saenz (1999) Am Fam Physician 59(7):1857
    2. Cyran (1998) PREP review lecture, October, Phoenix
    3. Merenstein (1994) Pediatrics, Lange

Structure of ostium secundum (C0225840)

ConceptsBody Part, Organ, or Organ Component (T023)
EnglishOstium secundum, Structure of ostium secundum
Spanishestructura del ostium secundum, ostium secundum
Parent ConceptsSeptum primum (C0225837)
SourcesMTH, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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