16 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Epiglottitis • Vocal cord ... pneumonia • Water: pulmonary ... MG, ALS) • ↓ chest ... #Hypoxia #differential ... #Diagnosis #Management
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Disease (Asthma, COPD ... Abnormalities • Chest ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Failure - Differential ... Diagnosis Framework ... #hypoxia #Differential ... #Diagnosis #pulmonary
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Diagnosis Framework ... #diagnosis #causes ... #pulmonary #airway ... #physicalexam
Wheezing - Differential Diagnosis Framework - Not all that wheezes is asthma
Vibrations of turbulent flow against
Wheezing - Differential ... Diagnosis Framework ... - Anaphylaxis, Paradoxical ... vocal cord motion ... #pulmonary #wheeze
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
Ratios Barrel Chest ... LR 11.8 Early inspiratory ... #PhysicalExam # ... LikelihoodRatios #LRs #diagnosis ... #pulmonary
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
and Diagnosis Asthma ... Dyspnea, Wheeze, Chest ... Hyperresonance, Hypoxemia ... Cyanosis, Barrel chest ... #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... Diagnosis Framework ... • Asthma • COPD ... obstruction • Paradoxical ... #Diagnosis #pulmonary
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
Algorithm for the Diagnosis ... fold paralysis, Paradoxical ... Noisy #Breathing #differential ... #diagnosis #algorithm ... #pulmonary