11 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome ... Abnormalities • Chest ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Atelectasis, ARDS, Pneumonia ... #Hypoxia #hypoxemia ... #differential #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
– ARDS: Clinical ... Cheat Sheet ... congestion with hypoxemia ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
POCUS Pulmonary ... was admitted for pneumonia ... - What’s the diagnosis ... #clinical #video ... #POCUS #pulmonary
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... • Pleuritic chest ... (LR + 2.7) • Hypoxia ... #CAP #Diagnosis ... Management #treatment #Pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... week of a known clinical ... be present on a chest ... severity of the hypoxemia ... Definition #Criteria #Diagnosis
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... Hypoxemia or tissue ... , Pneumonia, pulmonary ... Stimulation of chest ... respiratory distress syndrome
Pneumonia on POCUS

Otherwise healthy 12mo-old w/ fever. Linear & phased array viewing the lung (subpleural &
Pneumonia on POCUS ... >1cm, supports diagnosis ... no significant hypoxia ... #POCUS #clinical ... lung #ultrasound #pediatrics
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... of lactate as a clinical ... -> focus on improving ... output - Acute pulmonary ... - Compartment syndrome
Lung sliding & pneumonia on POCUS
The differential diagnosis for absence of lung sliding includes pneumonia; however,
on POCUS The differential ... diagnosis for absence ... from the anterior chest ... #POCUS #clinical ... #ultrasound #pulmonary