22 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis Algorithm ... Hypoventilation: CNS ... neuromuscular disease ... #Diagnosis #Algorithm ... #pulmonary #Aa
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumonia • Water: pulmonary ... asthma • Pleural disease ... Hypoventilation: • CNS ... #Diagnosis #Management ... Algorithm #rapid #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... respiratory drive due to neurologic ... Interstitial lung diseases ... #Differential #Diagnosis ... #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Obstructive Lung Disease ... , Interstitial Disease ... #Hypoxia #hypoxemia ... #differential #diagnosis
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
- Differential Diagnosis ... Stress, Nausea, Pulmonary ... Diseases, CNS Disease ... #Algorithm #diagnosis ... #nephrology #sodium
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Clinical: • Disease ... polyarthritis • Pulmonary ... exertion • Neurologic ... dysrhythmias • Ophthalmologic ... #Sarcoidosis #Diagnosis
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Dark, Mydriatics Diseases ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... basal ganglia, CNS ... meningitis), MCC CNS ... inhibitors • Uveitis- Ophthalmology ... collaboration • CNS
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
Non-Emergent Causes CNS ... , neurologic, vessels ... Pulmonary or oxygen ... #differential #diagnosis ... #neurology
CGD and Mulch Pneumonitis
This acute fulminant invasive fungal pneumonia in absence of iatrogenic or exogenous immunosuppression
aerosolized fungal spores ... Acute dyspnea, hypoxia ... and evidence of pulmonary ... granulomatous #disease ... #diagnosis