Aortic Subvalvular Stenosis

From Anvita Health Wiki

Contents 1 Classification 2 Etiology 3 Pathology 4 Clinical-manifestations 5 Radiology 6 More General Terms 7 Additional Terms 8 References

Classification

• two major types:
• discrete or membranous
• fibromuscular (fixed or dynamic) ( hypertrophic cardiomyopathy)

Etiology

• congenital malformation

Pathology

• commonly associated with aortic regurgitation
• high pressure gradient from left ventricle to aorta

Clinical-manifestations

• prominent left ventricle
• reduced pulse pressure
• no ejection click
• arterial thrill when stenosis is severe
• hypertrophic obstructive cardiomyopathy

• ejection murmur at left sternal border
• prominent pulses with a bifid quality

Radiology

• 2-D & doppler echocardiography
• left heart cardiac catheterization

More General Terms

• heart disease (cardiac disease)

Additional Terms

• hypertrophic cardiomyopathy (HCM), including idiopathic hypertrophic subaortic stenosis (IHSS)

References

Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 39-40

aortic subvalvular stenosis (AS)