17 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Cardiac, Vascular, Alveolar ... #Diagnosis #Algorithm ... #pulmonary #Aa
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Alveolar Hypoventilation ... UnremarkableLab #AA ... #Gradient #alveolar ... Hypoxia #hypoxemia #differential ... #diagnosis
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia - Differential ... Diagnosis • Hyperacute ... Hemorrhage • Impaired Diffusion ... Embolism, Emphysema, Positive ... #Diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... gravity-dependent gradients ... Failure #hypoxia #Differential ... #Diagnosis #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Pericardial • Effusion ... Kyphoscoliosis • Abdominal ... Alveoli • Pneumonia
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Definition: Diffuse alveolar ... symptomatology Differential ... Diagnosis for Pulmonary ... : - ANCA-positive ... , anti-GBM ab, ANA
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... Point on POCUS ... lungdiaphragam #ultrasound ... #pulmonary #differential ... #diagnosis #mimics
Diagnosis and Management of Diffuse Alveolar Hemorrhage (DAH)
Blood escaping through the capillary wall into the alveoli,
Diagnosis and Management ... septal capillaries Positive ... infiltrates, no pleural effusion ... #Management #Pulmonary ... #Differential #
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
Findings on Lung ultrasound ... consolidation - Pleural effusion ... mild infection; alveolar ... patients with pulmonary ... #POCUS #Diagnosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Diagnosis Algorithm ... Idiopathic JAK-2 Positive ... 90%, Abnormal Abdominal ... Ultrasound High