215 results
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Allergic/Immune: • Anaphylaxis ... malformations • Anaphylaxis ... Tracheal stenosis • Anaphylaxis ... differential #diagnosis #causes
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Upper Airway (Stridor ... Aspiration* • Anaphylaxis ... Diagnosis #Algorithm #Causes
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
of Wheezing and Stridor ... Stridor: Louder ... Inspiratory Stridor ... Inflammatory: Anaphylaxis ... Asthma, COPD, Anaphylaxis
When assessing a patient with acute dyspnea during or shortly following a transfusion, it is challenging
TRALI, TACO, and anaphylaxis ... Both anaphylaxis ... may present with stridor ... hypotension with anaphylaxis ... TACO #Comparison #Table
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
manifestations of anaphylaxis ... oropharyngeal edema, stridor ... arrest GI (>40%): Nausea ... incontinence #anaphylaxis
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... Stridor - Differential ... Foreign Body #Stridor ... Diagnosis #Algorithm #Causes
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... severe swelling causes ... stridor -> Sore ... severe swelling causes ... stridor • Tetanus
Occult Causes of Non-Response to Vasopressors

vital disclaimer: the cognitive response to hypotension should not be reaching
Occult Causes of ... response -> cognitive pause ... hypothyroid - anaphylaxis ... toxicologic - 2nd cause ... #Differential #Causes
Drug Treatment of Anaphylaxis and Allergic Reactions
First-Line Therapy 
 - Epinephrine 
 - Oxygen 
 -
Drug Treatment of Anaphylaxis ... Prednisone #Anaphylaxis ... #Pharmacology #Table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Septic - Anaphylaxis ... exacerbation (any cause ... Classification #Table