5 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
Mitral stenosis - Recommendations for classification of mitral stenosis severity

Valve area, 
Mean gradient and 
Pulmonary artery
mitral stenosis severity ... Valve area, Mean gradient ... and Pulmonary ... Stenosis #ValveArea #MeanGradient
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... transport, renal function ... gastrointestinal osmotic gradient ... Differential #Diagnosis #Algorithm ... #Pathophysiology
High Flow Nasal Cannula
Putative beneficial mechanisms of high flow nasal cannula (HFNC) 
oxygen therapy. EELV, end-expiratory
inspiratory oxygen fraction ... of mucociliary function ... capillary-alveolar gradient ... highflownasalcannula #pathophysiology ... #management #pulmonary
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
abnormalities PATHOPHYSIOLOGY ... = increased Aa gradient ... portal HTN • Aa gradient ... the presence or severity ... of HPS and the severity