24 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Abnormalities • Chest ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... #Failure #hypoxia ... #Differential # ... Diagnosis #pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... STAT CXR, CTA Chest
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung ... Interpretation #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Embolism, Obstructive Lung ... , Interstitial Lung ... #hypoxemia #differential ... #diagnosis
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... disease, pleuritic chest ... consider infarction, hypoxia ... Abnormalities #Abnormal #Diagnosis ... #PhysicalExam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
nature & benign • Regular ... Young females Differential ... Diagnosis: • CN ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... severity Acute Respiratory ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Lemierre's Syndrome on Neck POCUS with IJ Thrombosis - Transverse View

Male with high fever and right
Syndrome on Neck POCUS ... Differential/diagnosis ... Lemierre's Syndrome case ... septic emboli in lungs ... Lemierres #Syndrome #Jugular
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
Pericarditis A 50-year-old ... blue marks on her chest ... the underlying diagnosis ... Kussmauls #Sign #PhysicalExam ... Clinical #Neck #JVP #Jugular