1420 results
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 ... - PaO2 Normal Gradient ... A-a Gradient
Pulmonary stenosis - severity - Grading of pulmonary stenosis

#Diagnosis #Cardiology #Pulmonic #Pulmonary #Stenosis #Severity #Grading #Classification
Pulmonary stenosis ... - severity - Grading ... of pulmonary stenosis ... Cardiology #Pulmonic #Pulmonary ... Stenosis #Severity #Grading
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

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

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... velocities, PVF: pulmonary ... atrium, PASP: pulmonary ... #Dysfunction #Grading
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
#Diagnosis #Pulmonary ... GOLD2017 #Staging #Grading
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Pulmonary vasculature ... Alveolar-arterial oxygen gradient ... HPS #hepatology #pulmonary
Mitral stenosis - Recommendations for classification of mitral stenosis severity

Valve area, 
Mean gradient and 
Pulmonary artery
Valve area, Mean gradient ... and Pulmonary
Hepatopulmonary Syndrome (HPS) Diagnosis Algorithm
Bubble echo is the first piece of the puzzle. The nail on
the dx is an A-a gradient ... Algorithm #hepatology #pulmonary
Pathophysiology Of Constriction
Exaggerated Ventricular Interdependence:
 • Limited Cardiac Filling due to Fixed Volume → Septum Shifts
- pericardial (pulmonary ... equally → MV Inflow Gradient ... extra-pericardial pulmonary ... chambers. ↓ MV Inflow Gradient
High Flow Nasal Cannula
Putative beneficial mechanisms of high flow nasal cannula (HFNC) 
oxygen therapy. EELV, end-expiratory
capillary-alveolar gradient ... #management #pulmonary