24 results
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Hypovolemia, Hypoxia ... (lungs: massive ... #arrest #HsTs #Differential ... #Diagnosis #Table
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
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severity Acute Respiratory ... - Deep Vein Thrombosis ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
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
Lemierre's Syndrome on Neck POCUS with IJ Thrombosis - Transverse View

Male with high fever and right
Syndrome on Neck POCUS ... with IJ Thrombosis ... Differential/diagnosis ... Lemierre's Syndrome case ... septic emboli in lungs
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Chronic cough • Hypoxia ... Most Common Causes ... Bronchiectasis #pulmonary #differential ... #diagnosis