72 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... • Interstitial lung ... Abnormalities • Chest ... #Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Diagnosis #Algorithm ... #pulmonary #Aa
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... Possible small plural effusion ... Possible bilateral effusion ... #differential # ... #POCUS #ultrasound
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Pericardial • Effusion ... Thickening/Masses Chest ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
COVID-19 on Lung POCUS - Day 2

Day 2 after COVID diagnosis. Less sore throat, cough &
COVID-19 on Lung ... breath or pleuritic chest ... bilateral pleural effusion ... COVID19 #clinical #lung ... #ultrasound #pulmonary
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Diagnosis Algorithm ... • Interstitial lung ... Pleura: • Pleural effusion ... #Diagnosis #Algorithm
Large Pleural Effusion on Lung Ultrasound (POCUS)

Usually reach for a smaller footprint (phased or micro-convex) for
on Lung Ultrasound ... Usually reach for a ... capture quite a ... clinical #pocus #ultrasound ... #lung #pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural Effusion ... - Differential ... Diagnosis Algorithm ... Pneumonectomy • Trapped lung ... Malignancy • Pulmonary
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... highlight selected differentials ... point," a finding ... lungdiaphragam #ultrasound ... #pulmonary #differential