15 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Hypoventilation: CNS ... neuromuscular disease ... #Hypoxia #Differential ... #pulmonary #Aa
Stroke Mimics - Differential Diagnosis - MINT Mnemonic
 • Metabolic: Hyper-glycemia, Hypoglycemia, Wernicke's encephalopathy, Mitochondrial Encephalopathy
Stroke Mimics - Differential ... Diagnosis - MINT ... Encephalopathy, Hypoxia ... Infectious: Bell's palsy ... Vestibular neuronitis, CNS
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumonia • Water: pulmonary ... asthma • Pleural disease ... Hypoventilation: • CNS ... #Hypoxia #differential ... #Diagnosis #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... , Interstitial Disease ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Stress, Nausea, Pulmonary ... Diseases, CNS Disease ... #Hyponatremia #Differential ... #diagnosis #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... respiratory drive due to neurologic ... Interstitial lung diseases ... #Differential # ... Diagnosis #pulmonary
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Demyelinating disease ... hearing loss, palsy ... #Infections #differential
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 ... headache #causes #differential ... #diagnosis #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... acidosis: - CNS ... restrictive lung disease