Chapter 19 - Part 13 - Non-rheumatic Aortic Stenosis and Mitral Valve prolapse

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Essentials of Pathophysiology by Carol Porth - 3rd edition

Non-rheumatic aortic stenosis

-Occurs in 2% of population
-Congenital malformation of aortic valve
-Cardiac aortic stenosis

Non-rheumatic aortic stenosis

Occurs in 2% of population

Non-rheumatic aortic stenosis

Congenital malformation of aortic valve
-There is a bicuspid valve rather than the normal tricuspid valve
-Leads to valve thickening and scarring

Non-rheumatic aortic stenosis

Cardiac aortic stenosis
-Degenerative in the elderly
-Valve becomes very rigid which affects ability to open

2% of population

Non-rheumatic aortic stenosis: Occurs in _________________

Congenital malformation of aortic valve, bicuspid valve, tricuspid valve, valve thickening and scarring

Non-rheumatic aortic stenosis: _______________________
-There is a __________ rather than the normal __________
-Leads to ___________________

Calcific aortic stenosis, becomes very rigid

Non-rheumatic aortic stenosis : __________________
-Degenerative in the elderly
-Valve __________________ which affects ability to open

Congenital malformation of aortic valve

-There is a bicuspid valve rather than the normal tricuspid valve
-Leads to valve thickening and scarring

Calcific aortic stenosis

-Degenerative in the elderly
-Valve becomes very rigid which affects ability to open

Mitral valve prolapse

-A common condition but only a few develop problems
-One or both mitral leaflets are enlarged and redundant due
to degeneration of connective tissue
-Prolapse into left atrium, during ventricular systole - causes murmur
+Stress may rupture chordae
+Predisposes to arrhythmias
-Most are asymptomatic

Mitral valve prolapse

A common condition but only a few develop problems

Mitral Valve prolapse

One or both mitral leaflets are enlarged and redundant due to generation of connective tissue

Mitral valve prolapse

Prolapse into left atrium, during ventricular systole - causes murmur
-Stress may rupture chordae
-Predisposes to arrhythmias

Diagnosis of Mitral valve prolapse

Echocardiography

Mitral valve prolapse

Most are asymptomatic

Prolapse into left atrium, ventricular systole, murmur

Mitral valve prolapse: ______________, during __________________ - causes _________

common condition, a few develop problems

Mitral valve prolapse: A _____________but only __________________

asymptomatic

Mitral valve prolapse: Most are ________________

Prolapse into left atrium, may rupture chordae,
arrhythmias

Mitral valve prolapse: ______________, during ventricular systole - causes murmur
-Stress ____________
-Predisposes to ___________

Mitral Valve prolapse:

One or both mitral leaflets are enlarged and redundant due
to degeneration of connective tissue

enlarged and redundant, degeneration of connective tissue

Mitral Valve prolapse: One or both mitral leaflets are __________ due to _________

Mitral valve prolapse with regurgitation

Needs prophylactic antibiotics prior to dental or surgical procedures

prophylactic antibiotics

Mitral valve prolapse with regurgitation: Needs __________ prior to dental or surgical procedures

leaky (regurgitant) prolapsing valves, an infection of the lining of the heart or heart valve

Those with______________ are at increased risk of developing ___________________

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