18 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... • Rheumatic fever ... Discoid skin lesions ... #rashes #differential ... #diagnosis #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
patients Skin lesions ... symptoms - Headache, fever ... Nausea, abdominal pain ... Urticaria #diagnosis #rheumatology ... #comparison #table
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
• Urogenital Lesions ... Behcet disease) Differential ... Arthritis, AS Treatment ... Nonsurgical abdominal pain ... signs #symptoms #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... reddish-purple lesions ... Red Flags: • Fever ... • Severe pain ... deficiency Work
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pleuritic chest pain ... decubitus - air fluid level ... residual lesion ... Lung Abscess Differential ... Abscess #pulmonary #differential
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... symptoms: - Muscle pain ... - Abdominal pain ... per day until stable ... #nephrology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Triggers: ATRA treatment ... effusions, weight gain ... initiation • Differential ... Renal Failure Treatment ... diagnosis #management #hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint Pain ... acute rheumatic fever ... #rheumatology # ... approach #workup ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... tract: Abdominal pain ... involvement, abdominal pain ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... ischemic skin lesions ... Coronary arteries - Fever ... Ocular inflammatory lesions-interstitial ... #diagnosis #rheumatology