Aortic stenosis

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 * ; Mohammed A. Sbeih, M.D. [mailto:msbeih@perfuse.org]; ; Assistant Editor-In-Chief: Kristin Feeney, B.S. [mailto:kfeeney@perfuse.org]

Synonyms and Keywords: AS, critical AS, tight AS, aortic valve stenosis, senile calcific aortic stenosis, degenerative calcific aortic stenosis

Classification
Acquired: Rheumatic aortic stenosis

Congenital: Bicuspid aortic stenosis | Subaortic membrane | Subvalvular aortic stenosis | Supravalvular aortic stenosis

Pathophysiology
Left Ventricular Hypertrophy | Diastolic Dysfunction | Systolic Dysfunction | Atrial Fibrillation | Pressure Gradient & Valve Area | Flow Velocity | Low Flow, Low Gradient, Low Ejection Fraction Aortic Stenosis | Gross pathology | Microscopic pathology

Natural History, Complications & Prognosis
Natural History & Disease Progression | Complications | Prognosis

Diagnosis
Symptoms | Physical Examination | Electrocardiogram | Chest X Ray | MRI | CT scan | Echocardiogram | Cardiac catheterization | Aortic valve area | Aortic valve area calculation

Treatment
Overview | Medical Therapy | Percutaneous Aortic Balloon Valvotomy (PABV) or Aortic Valvuloplasty | Transcatheter aortic valve implantation (TAVI) | Surgical Treatement | Prevention | Precautions and prophylaxis

Guideline Resources
2008 Focused Update Incorporated Into the ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the 1998 Guidelines for the Management of Patients With Valvular Heart Disease) Endorsed by the Society of Cardiovascular Anesthesiologists, Society for Cardiovascular Angiography and Interventions, and Society of Thoracic Surgeons