18 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ringenhancing #lesions #cns ... brain #diagnosis #differential ... #algorithm #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... of hypokalemia starts ... Clinicians should ... #hypokalemia #differential ... #nephrology #potassium
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • Neurologic ... a mass as the cause ... Cataract/Lens Dislocation ... #DoubleVision #Differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... • Diagnosis should ... antiretroviral therapy should ... Demyelinating disease caused ... #Infections #differential
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... no light-near dissociation ... • Other causes ... #PhysicalExam #neurology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Case description ... HAGL) can be a cause ... dislocation WITHOUT ... Differential diagnosis ... mri #clinical #Radiology
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
ï‚§	Most common cause of acute flaccid paralysis
ï‚§	Rapidly progressive ascending paralysis & areflexia
ï‚§	Autonomic
ï‚§ Most common cause ... albumin-cytologic dissociation ... Differential diagnosis ... Multiple Sclerosis: CNS ... paralysis but spares
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... hypertension - CNS ... claudication, shoulder ... thrombophilia, neurologic ... Dangerous #Deadly #Differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... D D-lactate (short ... acidosis: - CNS ... Diagnosis #Summary #Nephrology ... Base #Gas #VBG #differential