27 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome ... #Diagnosis #Algorithm
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... : • 3 syndromes ... of a "flu-like syndrome ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... hemorrhage • Pus: pneumonia ... • Water: pulmonary ... atelectasis • Lung ... #Diagnosis #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... 760 mm Hg at sea level ... • Causes: Pneumonia ... hepatopulmonary syndrome ... #Differential #Diagnosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis ... #management
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... e.g., CXR, CT, ultrasound ... Inflammation (e.g., fever ... signs (tachypnea, hypoxemia ... #Pulmonolary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura reflection) Pneumonia ... Respiratory Distress Syndrome ... #differential #diagnosis ... #ultrasound #findings
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... healthy pt with fever ... sliding: Pulmonary ... NOT definitively diagnose ... #ultrasound
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... congestion with hypoxemia ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis