Aortic Stenosis Flashcards
What are the AoV cusps?
right coronary, left coronary, non coronary
Which cusp is the closest to the TV?
right coronary
Which cusp is the closest to PV?
left coronary
Which cusp is the closest to the LA?
non coronary
What are the best views to view the AoV?
PLAX, PSAX, apical 5
What is the most common cause of aortic stenosis?
congenial AS (bicuspid)
What is an underdeveloped cusp called?
raphe
What is the most frequent AoV malformation?
bicuspid AoV
What is the 2nd most common cause of Ao stenosis?
degenerative
What is the formation of thick calcium deposits at sinus of valsalva and cusps?
degenerative Ao stenosis
What is the 3rd most common cause of Ao stenosis?
rheumatic
What are the signs and symptoms of Ao stenosis?
systolic murmur, angina, syncope, pain w exertion, SOB
Long standing AS results in:
LV hypertrophy
High velocities lead to:
post stenotic dilatation
What 2 doppler measurements are taken to evaluate AS?
- LVOT velocity
- AoV velocity
What doppler is used for LVOT velocity?
PW
What doppler is used for AoV velocity?
CW
What is the backflow of blood through the AoV during diastole?
aortic regurgitation
What is the most common cause of acute AR?
infective endocarditis
What is the most common cause of chronic AR?
idopathic dilatation of aortic root
What are the symptoms of acute AR?
severe dyspnea, tachycardia, orthopnea, weakness, hypotensive
What are the symptoms of chronic AR?
diastolic murmur, exertional dyspnea, angina, tachycardia, CHF
