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

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Hypoxia #Differential ... #pulmonary #Aa
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... pneumonia • Water: pulmonary ... atelectasis • Lung ... #Hypoxia #differential ... #rapid #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... sliding/barcode sign ... - Bilateral A-lines ... #differential # ... #Lung #POCUS #ultrasound
The BLUE-protocol decision tree - performed on dyspneic patients who will be admitted to the ICU

The
BLUE-protocol combines signs ... with lung-rockets ... at one lung, a ... BLUE #protocol #Algorithm ... #Pulmonary #Ultrasound
The BLUE-protocol decision tree - performed on dyspneic patients who will be admitted to the ICU

The
BLUE-protocol combines signs ... with lung-rockets ... at one lung, a ... BLUE #protocol #Algorithm ... #Pulmonary #Ultrasound
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Imaging evidence of a ... e.g., CXR, CT, ultrasound ... procalcitonin) - Pulmonary ... pain) and signs ... (tachypnea, hypoxemia
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... : Pulmonary edema ... a lot of B lines ... partially seen shred sign ... POCUS #clinical #ultrasound
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Nasal polyps and signs ... in the adjacent lung ... Immunoglobulins (Ig M, A, ... #differential #