13 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... Manifestations: • Infection ... spondyloarthritis (e.g ... spondyloarthritis (e.g
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Differential Diagnosis ... • Vasculitis (e.g ... #pulmonary #differential
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Benign Neoplasm (eg ... Granuloma • Abscess ... cannonball lesions"; Eg ... Breast, Testicle) Infection ... #Causes #Pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... confirm DAH, r/o infection ... recent DAN) • EMG ... Renal #Syndromes #differential ... #treatment
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... disorder (Cardiac, pulmonary ... : Brain abscess ... electromyographic (EMG
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... - Brain stem/Cranial ... myasthenia Diagnosis ... Serologic and EMG ... precipitated by: Drugs, infection
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Lymphadenitis, pulmonary ... osteomyelitis, cutaneous abscesses ... Calmette-Guérin (BCG ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Cerebral > Splenic, Pulmonary ... ↑ ESR, CRP • EKG ... hematuria, + RF Treatment ... #Endocarditis #Differential
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
from contiguous focus ... of infection (cholecystitis ... Hepatic artery (e.g ... children #peds #differential ... #diagnosis #hepatology