42 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... : Atelectasis, ARDS ... Embolism, Obstructive Lung ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... lobar collapse, lung ... severity of the ARDS ... - 200 mm Hg < PaO2 ... >= 5cm H2O #ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome – ARDS ... , inflammatory lung ... permeability, lung ... with decreased lung ... on CT or CXR ● PaO2
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential ... Diagnosis and Workup ... Acute Infections: Lung ... lesion #pulmonary #differential
Amiodarone-Induced Lung Iniurv (AILI) - Timeline
Hours to days (peri-procedurally): ARDS
Days to months: DAH
Weeks: Eosinophilic pneumonia
Weeks to
Amiodarone-Induced Lung ... peri-procedurally): ARDS ... pulmonary #diagnosis #differential
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... involvement, with “white lung ... structures help in the differential ... CXR #ChestXRay #ARDS
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
of Pneumonia on Lung ... POCUS lung exam ... B profile with lung ... Differential Bilat ... Pulmonary edema, ARDS
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
and Associated Lung ... Pneumothorax: - No lung ... barcode sign - Lung ... Distress Syndrome (ARDS ... #pulmonary #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic: pH pCO2 ... acidosis Step 5 - Differential ... or restrictive lung ... Base #Gas #VBG #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia - Workup ... and Management Differential ... (JVP, edema), Lung ... POCUS (B-lines, lung ... Hypoxemia #Hypoxia #Workup