1209 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: Pulmonary ... alveolar #arterial #pulmonary
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
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
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
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
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
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
#Diagnosis #Pulmonary ... GOLD2017 #Staging #Grading
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
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Catheterization - Pulmonary ... and Calculations PULMONARY ... Gradient, TPG, ... and Diastolic Pulmonary ... Gradient, DPG)