4 results
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
0.6 cm2/m2, mean gradient ... transvalvular gradient ... , inconsistent grading ... and normal LV functions ... <1 cm2 with a gradient
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
by A-a Gradient ... Normal A-a Gradient ... compliance ↑ A-a Gradient ... #pulmonary #Aa ... #Gradient
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function ... Grading - Schematic ... atrium, PASP: pulmonary ... #Dysfunction #Grading ... Classification #Grades #Criteria
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