6 results
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
age >50, <18, IV ... pain, high energy trauma ... of neoplasm • Fracture ... Symptoms • Cauda Equina ... Syndrome • Spondyloarthropathies
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... syndrome (CES) ... neoplasms • trauma ... cord infarct • HIV ... #syndrome #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... lesions • 80% with lung ... #diagnosis #causes ... #radiology #neurology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pneumonia: • 3 syndromes ... Lymphadenopathy, CNS ... factor • May cause ... Rhodococcus Equi
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
other forms of trauma ... syphilis, and HIV ... Vertebral burst fracture ... involvement Cauda Equina ... #lesions #differential
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... indirect chest wall trauma ... : Dilated CMP, long-standing ... Primary #Functional #Differential ... #Diagnosis #Cardiology