1891 results
Pathophysiology Of Constriction
Exaggerated Ventricular Interdependence:
 • Limited Cardiac Filling due to Fixed Volume → Septum Shifts
Pathophysiology ... - 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 ... highflownasalcannula #pathophysiology ... #management #pulmonary
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Script HPS is a pulmonary ... liver disease 2) pulmonary ... abnormalities PATHOPHYSIOLOGY ... = increased Aa gradient ... portal HTN • Aa gradient
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
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 ... <1 cm2 with a gradient
Pathophysiology of Pulmonary Embolism
 - Effects of mechanical occlusion
 - Effects of chemical mediators
 - Hemodynamic
Pathophysiology ... of Pulmonary Embolism ... Resolution #Pathophysiology ... #Pulmonary #Embolism
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