15 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... PCR 50% sensitive ... Lesions #Brain #differential ... #diagnosis #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... Demyelinating disease caused ... #Infections #differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Diagnosis by Mechanism ... the lung) - CNS ... hemorrhage) - Pulmonary ... #Diagnosis #Table ... #Causes #Sodium
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... exacerbation (any cause ... flow) - Massive pulmonary ... #Table #CriticalCare
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
The "double PCL ... Case description ... Differential diagnosis ... BucketHandle #Tear #knee ... #mri #clinical
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
mucinous signal on MRI ... Differential Diagnosis ... - Can cause ... #degeneration #knee ... #clinical #mri
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... Diagnosis: Causes ... Classically” noted with pulmonary ... acidosis: - CNS ... Interpretation #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... of PCN allergy ... Lung Abscess Differential ... Lung #Abscess #pulmonary ... #differential #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... - Emergency Causes ... Diagnosis: • ... Imaging studies: • MRI ... #diagnosis #causes
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Infarction and Pulmonary ... life-threatening causes ... pain, such as MI ... Presentation #comparison #Table ... #Diagnosis