8 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Diagnosis: Causes ... acidosis: - CNS ... #Acid #Base #Gas ... #VBG #differential
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework ... Unilateral Mydriasis: CN ... Ill paralysis (PCA ... Psilocybin mushrooms, PCP ... Bromides, Valproic acid
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... PCR 50% sensitive ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based ... hemorrhage • CSF PCR ... Toxoplasma gondii PCR ... • JC-virus PCR ... Enhancement • PCR
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... poisoning Normal acid-base ... the indicated causes ... #differential # ... diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
lumbar spine • MCC ... (CES) is usually ... Diagnosis: • ... diagnosis #causes ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ab to AChR blocks ... life-threatening Differential ... Miller Fischer and PCB ... myasthenia Diagnosis ... #management #neurology
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
testing is largely based ... components: targeted neurologic ... disposition, even if the cause ... CNS, Central nervous ... system; PCP, primary