21 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

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

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... pneumonia • Water: pulmonary ... Hypoventilation: • CNS ... #Hypoxia #differential ... Algorithm #rapid #pulmonary
IDSA Aspergillosis Treatment
 • Invasive pulmonary aspergillosis (IPA)
 • CNS aspergillosis
 • Cardiac Aspergillus infection
 •
Aspergillosis Treatment ... • Invasive pulmonary ... aspergillosis (IPA) • CNS ... Aspergillosis #Treatment ... #management #pharmacology
Initiation of ART in HIV patients with Opportunistic Infections
 • Pulmonary TB and CD4 cell count
Infections • Pulmonary ... count <50 • Pulmonary ... count >50 • CNS ... of starting OI treatment ... Infections #management #infectiousdiseases
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
: ß-blockers, CNS ... bradycardia #Causes #differential ... #diagnosis #infectiousdiseases ... #table #NonInfectious
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... #Hypoxia #hypoxemia ... #differential #
Summary of actions of some Cholinergic Agonists

Bethanechol 
• Used in treatment of urinary retention 
• Binds
penetrate the CNS ... motility • Reverses CNS ... antidepressants • Reverses CNS ... penetrate the CNS ... #Table #Summary
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... the lung) - CNS ... hemorrhage) - Pulmonary ... #Hyponatremia #Differential ... #Diagnosis #Table
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... HIV-Associated CNS ... Antimicrobial treatment ... opportunistic #InfectiousDiseases
CSF Penetration of Antimicrobials

Despite the poor CSF penetration, beta-lactams have the most research documenting successful treatment
published looking at CNS ... treat susceptible CNS ... of CNS infections ... #Penetration #CNS ... #Pharmacology