6 results
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
Severity of Aortic ... as follows: aortic ... transvalvular gradient ... , inconsistent grading ... Classification #Severity
Aortic Valve Stenosis
 • Etiology
 • Severity and Grading
 • Management

Satyendra Dhar, MD @DharSaty

#Aortic #Valve #Stenosis
Aortic Valve Stenosis ... • Etiology • Severity ... and Grading • ... @DharSaty #Aortic ... management #cardiology #aorta
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Differential Diagnosis Algorithm ... by A-a Gradient ... Differential #Diagnosis #Algorithm ... #pulmonary #Aa ... #Gradient
Aortic Stenosis Grading on echocardiography
The cut-offs for grading can be found in table 1. Discrepancies are
Aortic Stenosis ... Grading on echocardiography ... The cut-offs for grading ... Diagnosis #Cardiology #Aortic ... Classification #Severity
Aortic Stenosis Severity Classification

Mild AS:
 • Valve Area > 1.5 cm2
 • Mean Gradient < 20
Aortic Stenosis ... Severity Classification ... 1.5 cm2 • Mean Gradient ... Velocity > 4 m/s #Aortic ... #Stenosis #Severity
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
time = increased Aa ... gradient • Intrapulmonary ... portal HTN • Aa ... gradient ≥15 mmHg ... of HPS and the severity