13 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Stridor - Upper airway ... Epiglottitis • Vocal cord ... pneumothorax, COPD ... /asthma • Pleural ... 12 / shallow breathing
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
pHTN, Advanced COPD ... pHTN, Shock • Airway ... Disease: Asthma ... , COPD, Bronchiectasis ... #Diagnosis #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... perfusion Mismatch • Airway ... Disease (Asthma ... , COPD) • Vascular ... Diagnosis #Algorithm #Causes
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
20/min, shallow breathing ... Pulmonary Causes ... Tachypnea: • Asthma ... • COPD • Pneumonia ... Pneumothorax • Upper airway
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... between attacks COPD ... Subxiphoid PMI • COPD ... #COPD #comparison ... #Diagnosis #pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
consider infarction, hypoxia ... because narrowed airways ... asthma, chronic ... bronchitis, and COPD ... #Pulmonary #Abnormalities
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Hemangiomas • Vocal cord ... Anaphylaxis • Vocal cord ... differential #diagnosis #causes ... #pulmonary #airway ... #physicalexam
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
COPD phenotypes: ... stereotypical forms of COPD ... clearance and airway ... overlap syndrome of COPD ... #Diagnosis #COPD
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... direction leads to hypoxemia ... , asthma, COPD, ... pulmonary embolus ... #Failure #hypoxia
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
sound over central airways ... Bronchoconstriction: Asthma ... , COPD, Anaphylaxis ... Peribronchial pulmonary ... Stridor #Noisy #Breathing