24 results
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
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
Severity of Aortic ... 0.6 cm2/m2, mean gradient ... transvalvular gradient ... , inconsistent grading ... <1 cm2 with a 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 ... 4.0 m/s and mean gradient ... Diagnosis #Cardiology #Aortic
Aortic Valve Stenosis
 • Etiology
 • Severity and Grading
 • Management

Satyendra Dhar, MD @DharSaty

#Aortic #Valve #Stenosis
Aortic Valve Stenosis ... • Severity and Grading ... @DharSaty #Aortic ... management #cardiology #aorta
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Approach to the A-a Gradient ... A-a gradient = ... PAO2 - PaO2 A-a gradient ... A-a Gradient ≤ ... UnremarkableLab #AA
Practical Approach to Grading Diastolic Dysfunction

#Diagnosis #Cardiology #Diastolic #Diastology #Dysfunction #Grading #Classification #Grades #Criteria #Algorithm #Assessment
Practical Approach to Grading ... #Dysfunction #Grading ... Grades #Criteria #Algorithm
Abnormal pulsation in the neck in the setting of Aortic Coarctation

10 yo male,  his father
the setting of Aortic ... pulses, also an aortic ... HG of systolic gradient ... #PhysicalExam #Aortic ... #Coarctation #Aorta
Periprosthetic Aortic Valve Regurgitation Grading
 • Vena Contracta Area
 • Circumference
 • Jet Length
Mild - Moderate
Periprosthetic Aortic ... Regurgitation Grading ... Periprosthetic #Grading
Diagnosis of ascites according to the serum ascites albumin gradient (SAAG)
SAAG ≥ 1.1:
 - Ascitic protein
ascites albumin gradient ... ascites #albumin #gradient ... differential #diagnosis #algorithm
Hepatopulmonary Syndrome (HPS) Diagnosis Algorithm
Bubble echo is the first piece of the puzzle. The nail on
HPS) Diagnosis Algorithm ... the dx is an A-a gradient ... HPS #Diagnosis #Algorithm