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Aortic Regurgitation: Diagnosis and Treatment
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Slides Valvular Heart Disease Aortic Regurgitation Cardiovascular Pathology.pdf
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Download Lecture Overview
00:01 Aortic regurg, made by echo. What are going to find? Regurgitant volume. What does echo mean? Ultrasound. So you are going to find regurgitative flow backwards to the left ventricle. What do you want to do here? You want to make sure that you replace that valve before you start hearing Austin Flint and before you start get into serious congestive heart failure. Dietary modifications why? If your patient already has increased volume, why not cut down the salt so that you can then not have retention of fluid as much. Afterload reduction can be done with ACE inhibitors, as you can imagine, why please? A simple pharmacology question, what part of ACE inhibition will then cause diminishment of your afterload? Well aldosterone has nothing to do with this, aldosterone is taking care of the fluid. Angiotensin II, normally causes vasoconstriction universally. 00:53 Remove the angiotensin II, you decrese the afterload.
About the Lecture
The lecture Aortic Regurgitation: Diagnosis and Treatment by Carlo Raj, MD is from the course Valvular Heart Disease: Basic Principles with Carlo Raj.
Included Quiz Questions
Which is the mechanism by which ACE inhibitors reduce afterload in patients with aortic regurgitation?
- Inhibition of angiotensin II synthesis
- Blockade of angiotensin II receptors
- Inhibition of renin
- Blockade of aldosterone receptors
- Overactivation of the renin-angiotensin-aldosterone system
What test confirms the diagnosis of aortic regurgitation?
- Echocardiogram
- CT chest
- ECG
- Auscultation of diastolic murmur
- Positive rheumatoid factor
Author of lecture Aortic Regurgitation: Diagnosis and Treatment
Carlo Raj, MD
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