16 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
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
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Pericardial • Effusion ... Kyphoscoliosis • Abdominal ... Alveoli • Pneumonia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease and more • Diffusion ... UnremarkableLab #AA ... #Gradient #alveolar ... Hypoxia #hypoxemia #differential ... #diagnosis
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
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
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 #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... submassive PE) POCUS ... #differential # ... diagnosis #signs ... #Lung #POCUS #ultrasound
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