35 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Hyperthyroidism Fever ... • Rheumatic fever ... , Rheumatic fever ... stenosis - Rheumatic fever ... • New murmur, fever
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Osmotic diuresis (see ... • Decreased level ... ICU patients • Fever ... Hypernatremia #Nephrology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... • Rheumatic fever ... IBD • RA • SLE ... #skin #rashes #differential ... #diagnosis #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... erythematosus [SLE ... ALT ↑ bilirubin level
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... • Immunologic Workup ... life-threatening • Treatment ... #comparison #table ... #rheumatology #
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Pericardial Effusion - Differential ... Non-Infectious: • Rheumatologic ... : SLE, Rheumatoid ... Mediterranean Fever ... Pericardial #Effusion #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... genotypes): SS, SC, SE ... bartonella (oroya fever ... Diagnosis #Algorithm #workup ... #hematology #testing
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Splenomegaly - CTD (SLE ... Associated - SLE ... mountain spotted fever ... #rheumatology #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... involvement 3% SLE-Related ... (aPL) 30-45% Differential ... Lupusreference #SLE ... #rheumatology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... • Exercise • Fever ... (MPA) • SLE ... #Proteinuria #Nephrology ... #Differential #