17 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 ... >50 mmHg (2) (Table ... , inconsistent grading ... <1 cm2 with a gradient
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis Algorithm ... by A-a Gradient ... Normal A-a Gradient ... #Diagnosis #Algorithm ... pulmonary #Aa #Gradient
Ascites Differential Diagnosis Table - Serum Ascites Albumin Gradient (SAAG)

SAAG ≥ 1.1:
 • Cirrhosis
 • Portal
Diagnosis Table ... Ascites Albumin Gradient ... Cirrhosis • Portal ... #Diagnosis #Table ... Serum #Albumin #Gradient
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... to normal age adjusted ... Unremarkable Labs ... Hypoxia #hypoxemia #differential ... #diagnosis
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... #Diagnosis #Cardiology ... #Dysfunction #Grading ... #Classification ... Grades #Criteria #Table
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... Metabolism A table ... of lab values compiled ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Peds #Pediatrics #Table
Aortic Stenosis Severity Classification

Mild AS:
 • Valve Area > 1.5 cm2
 • Mean Gradient < 20
1.5 cm2 • Mean Gradient ... 1.5 cm2 • Mean Gradient ... 1.0 cm2 • Mean Gradient ... #Diagnosis #Cardiology ... #Table
A schema of the pathophysiology of the inborn errors of metabolism, excluding complex storage diseases. Helps
See the lab values ... table for supplemental ... Pathophysiology #Diagnosis ... #Algorithm #Differential ... Peds #Pediatrics #Table
Diastolic Dysfunction Assessment - Normal, Mild, Moderate and Severe

#Diastolic #Diastology #Dysfunction #Diagnosis #Cardiology #Grading #Classification #Grades
Dysfunction Assessment - Normal ... #Dysfunction #Diagnosis ... #Cardiology #Grading ... #Classification ... Grades #Criteria #Table
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
- Differential ... Diagnosis Portal ... ) estimated by gradient ... hepatorenal syndrome Clues ... #Diagnosis #causes