15 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Reactive (e.g ... Enteropathic (e.g ... • Systemic Lupus ... Sicca) Syndrome ... Enteropathic (e.g
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
- Differential Diagnosis ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... Post-infectious GN, Lupus ... #nephrology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
: • Acute or chronic ... joint trauma (e.g ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... permeability Diagnosis ... Lumbar Puncture, EEG ... #rheumatology # ... cerebritis #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: • Acute ... Differential Diagnosis ... • Malignancy (e.g ... Endocrine disorders (e.g ... #Rheumatology
Causes of Acute Pericarditis:

Infectious;

Viral: 
Adenovirus 
Coxsackie virus A and B 
Echovirus 
Epstein-Barr virus 
Hepatitis 
Human immunodeficiency
Cardiac injury (e.g ... Pericardial perforation (e.g ... nodosa Rheumatoid arthritis ... Systemic lupus ... #Differential #Diagnosis
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... symptoms and signs (e.g ... CNS infection (e.g ... ) • Temporal arteritis ... • Acute angle
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... of Acute Arthritis ... : Behçet syndrome ... sarcoid, systemic lupus ... spondyloarthropathy (e.g
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
arthralgia, and arthritis ... Labs/Diagnosis: ... tissue disorder (e.g ... . systemic lupus ... classification #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
underlying disease (eg ... SJIA], systemic lupus ... • Infection (eg ... #Diagnosis #Management ... #Hematology #Rheumatology