243 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... common cause of hypoxemic ... direction leads to hypoxemia ... (eg, pulmonary AVMs ... Respiratory #Failure #hypoxia
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Intracardiac, Pulmonary AVMs ... Hemorrhage • Impaired Diffusion ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... (↑Shunting), ↓Perfusion ... Dead space) • ↓Diffusion ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Algorithm Ventilation/perfusion ... Parenchymal Disease Diffusion ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary AVMs ... Disease and more • Diffusion ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
POCUS Pearls for ... - Pericardial Effusion ... Cardiac #Tamponade #POCUS ... Evaluation #Cardiology #Effusion
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
POCUS Pearls for ... - Pericardial Effusion ... Cardiac #Tamponade #POCUS ... Evaluation #Cardiology #Effusion
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... edema), Lung Exam, POCUS ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Ascites, pericardial effusion, and left pleural effusion on subcostal 4-chamber POCUS echocardiogram

Subcostal window in SLE patient.
Ascites, pericardial effusion ... and left pleural effusion ... subcostal 4-chamber POCUS ... #s4c #POCUS #echocardiogram ... #POCUS #clinical
Plankton Sign on Lung POCUS

Plankton sign = floating debris --> the swirling, punctiform internal echoes within
Plankton Sign on Lung POCUS ... anechoic pleural effusion ... nature of the effusion ... Plankton #Sign #Lung #POCUS ... #clinical #effusion