42 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
: ß-blockers, CNS ... lesions, Lymphomas ... #differential # ... diagnosis #infectiousdiseases ... #table #NonInfectious
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... #POCUS #radiology ... #differential # ... diagnosis #comparison ... #table #appearance
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... Differential diagnosis ... Multiple Sclerosis: CNS ... hyperreflexia, multiple lesions ... hyperreflexia, spinal cord lesion
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... CD4-cell count more ... Imaging: - MRI ... Demyelinating disease caused ... #Infections #differential
Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... are discussed in more ... #Diagnosis #Radiology ... Mediastinal #Mass #Differential ... #Table #Anterior
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... contractility) - Acute MI ... exacerbation (any cause ... #Table #CriticalCare
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Diagnosis Algorithm ... Hemorrhage • CNS ... Intracranial Mass/lesion ... Pediatrics
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Case description ... appropriate and more ... Differential diagnosis ... MR is able to distinguish ... Desmoid #clinical #mri