15 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Hypoventilation Syndrome ... Abnormalities • Chest ... #Hypoxia #Differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Syndrome (ARDS) ... explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia ... #Syndrome #Berlin
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Acute Respiratory Distress ... Syndrome (ARDS) ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory Distress ... SyndromeARDS ... congestion with hypoxemia ... Berlin criteria ... #CheatSheet #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... : Atelectasis, ARDS ... , Interstitial Lung ... #hypoxemia #differential ... #diagnosis
The Berlin Definition of Acute Respiratory Distress Syndrome (ARDS)

Chest imaging - Bilateral opacities—not fully explained by
Syndrome (ARDS) ... fully explained by effusions ... , lobar/lung collapse ... >= 5cm H2O #Diagnosis ... #Syndrome #Berlin
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Pulmonary Edema - Differential ... Diagnosis Framework ... syndrome (ARDS) ... Transfusion-related acute lung ... #diagnosis #cardiology
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
• ↑ Mechanical stress ... caused by a rigid chest ... #diseases #differential ... #diagnosis #mnemonic ... #STARCHASERS #radiology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Interpretation Steps ... Diagnosis: Causes ... D-lactate (short bowel syndrome ... , pain, fever, hypoxia ... or restrictive lung
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... pneumonia, pleural effusion