11 results
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential ... blood vessels • Abscess ... #Vascular #JointPain ... #MSK #Differential ... #Orthopedics #Causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential ... Septic Bursitis • Abscess ... #Infectious #JointPain ... #MSK #Differential ... #Orthopedics #Causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Pleuritic chest pain ... Abscess Diagnosis ... Abscess Differential ... #Abscess #pulmonary
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Diagnosis: • ... Spinal infection/abscess ... Imaging studies: • MRI ... #diagnosis #causes
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... • Infection (abscess ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lesions • 80% with lung ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Pneumonia: • PVL ... Infections #HIV #AIDS #pulmonary ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... diarrhea, abdominal pain ... Diagnosis Of NTM ... Exclusion of other diagnosis ... NTM #Infections #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... Diagnosis: Causes ... Hyperventilation (Anxiety, pain ... Classically” noted with pulmonary ... or restrictive lung
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Spinal stenosis - Abscess ... patients with a long ... involvement Cauda ... syndromes #lesions #differential ... #diagnosis #neurology