Atrial septal defect CT

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Atrial Septal Defect Microchapters

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Patient Information

Overview

Anatomy

Classification

Ostium Secundum Atrial Septal Defect
Ostium Primum Atrial Septal Defect
Sinus Venosus Atrial Septal Defect
Coronary Sinus
Patent Foramen Ovale
Common or Single Atrium

Pathophysiology

Epidemiology and Demographics

Risk Factors

Natural History and Prognosis

Complications

Diagnosis

History and Symptoms

Physical Examination

Electrocardiogram

Chest X Ray

CT

MRI

Echocardiography

Transesophageal Echocardiography
Transthoracic Echocardiography
Contrast Echocardiography
M-Mode
Doppler

Transcranial Doppler Ultrasound

Cardiac Catheterization

Exercise Testing

ACC/AHA Guidelines for Evaluation of Unoperated Patients

Treatment

Medical Therapy

Surgery

Indications for Surgical Repair
Surgical Closure
Minimally Invasive Repair


Robotic ASD Repair
Percutaneous Closure
Post-Surgical Follow Up

Special Scenarios

Pregnancy
Diving and Decompression Sickness
Paradoxical Emboli
Pulmonary Hypertension
Eisenmenger's Syndrome
Atmospheric Pressure

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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [4]

Overview

Computed tomography can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive. It is not the technique of choice as it has limitations in defining shunt volume and pressure differences.

CT

Advantages

  • Provides additional anatomic details compared to echocardiography.
  • Helps in visualization of the aberrant pulmonary venous return (seen in sinus venosus defect). [1]
  • Done faster compared to MRI.
  • Avoids the need for general anesthesia in children.
  • Can identify associated heart anomalies.[1]

Disadvantages

  • Costly
  • Radiation can have long terms side-effect on growing children.
  • Not a modality for detecting or quantify a defect.[1]
  • Not a modality for quantifying shunt volume and pressure differences.[1]

References

  1. 1.0 1.1 1.2 1.3 Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C. (2001). Spiral and multislice computed tomography of the body. pp. 788–789. Unknown parameter |city= ignored (help)

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